332354 + Interview Questions in Secondary School in Math

1.	[ii] f(x+y) = f(x) .f(y) If f(x) = 5*, prove that,[i] f(x+2) = 25f(x)[iii] f(x + 1) = 25f(x - 1)[iv] f(log x) = x
Answer» ANSWER: mbbbhbjhjhjnbjhjhhh BAHIA KG I FUGUE YG

1.

[ii] f(x+y) = f(x) .f(y) If f(x) = 5*, prove that,[i] f(x+2) = 25f(x)[iii] f(x + 1) = 25f(x - 1)[iv] f(log x) = x

Answer»

ANSWER:

mbbbhbjhjhjnbjhjhhh BAHIA KG I FUGUE YG

Discussion

2.	A (2,3)vB(-1 ,1) are 2 points. If pis avpoint such that LAPB=90⁰, then the locus of P is?Answer me fast Who Will Answer Correct I Will Mark Them As Brainleist
Answer» Step-by-step EXPLANATION: X(2) -2X +4y+3 please like FOLLOW

2.

A (2,3)vB(-1 ,1) are 2 points. If pis avpoint such that LAPB=90⁰, then the locus of P is?Answer me fast Who Will Answer Correct I Will Mark Them As Brainleist

Answer»

Step-by-step EXPLANATION:

X(2) -2X +4y+3

please like FOLLOW

Discussion

3.	Classify the following as rational or irrational(1) 2-√5(2) 2+√5(3) 2×√5(4) 2/√5please no scam
Answer» RATIONAL are none all of them are IRRATIONAL

3.

Classify the following as rational or irrational(1) 2-√5(2) 2+√5(3) 2×√5(4) 2/√5please no scam

Answer»

RATIONAL are none

all of them are IRRATIONAL

Discussion

4.	3) find the slope of the line passing through thepoints A (-2,3)and B(2,7).Also finda) The inclination of the line ABb)Slope of the line parallel to ABc) Slope of the line perpendicular to AB.
Answer» ANSWER: INCLINATION = 45° (B) 1 (C) -1

4.

3) find the slope of the line passing through thepoints A (-2,3)and B(2,7).Also finda) The inclination of the line ABb)Slope of the line parallel to ABc) Slope of the line perpendicular to AB.

Answer»

ANSWER:

INCLINATION = 45°

(B) 1

(C) -1

Discussion

5.	4) ७१र पन क लिए सबसे उचित विकल्प चुनिए।ection : Answer the following questions by selecting the most appro91. A shopRs. 1811. एक दुकानदार 18 रु० प्रति दर्जन की दर सेपेंसिल खरीदता है तथा इन्हें 20% लाभ की दरसे बेच देता है। पेंसिल का विक्रय मूल्य ज्ञातकीजिए :profitopencil:(1) 1.50 रु०(2) 1.80 रु०(1) Rs(4) 2.60 रु०(3) R(3) 2.50 रु०
Answer» ANSWER: Uuuhchjkjhnbvhjknhyun hjkklk

5.

4) ७१र पन क लिए सबसे उचित विकल्प चुनिए।ection : Answer the following questions by selecting the most appro91. A shopRs. 1811. एक दुकानदार 18 रु० प्रति दर्जन की दर सेपेंसिल खरीदता है तथा इन्हें 20% लाभ की दरसे बेच देता है। पेंसिल का विक्रय मूल्य ज्ञातकीजिए :profitopencil:(1) 1.50 रु०(2) 1.80 रु०(1) Rs(4) 2.60 रु०(3) R(3) 2.50 रु०

Answer»

ANSWER:

Uuuhchjkjhnbvhjknhyun hjkklk

Discussion

6.	Find three numbers which are in the ratio of 5:4:3 and such that the sum of the greatest and the least exceeds the middle by 24.30, 24 and 1842,35 and 2212. 12 and 624, 13 and 12Type here to search
Answer» ANSWER: 30,24and 18 is answer of QUES

6.

Find three numbers which are in the ratio of 5:4:3 and such that the sum of the greatest and the least exceeds the middle by 24.30, 24 and 1842,35 and 2212. 12 and 624, 13 and 12Type here to search

Answer»

ANSWER:

30,24and 18 is answer of QUES

Discussion

7.	A manhole on a drainage pipe is covered with iron plate which is of Shape of Square of Side 12.5cm
Answer» ANSWER: hhhivvkhhjjhjjbhjnbjjh.

7.

A manhole on a drainage pipe is covered with iron plate which is of Shape of Square of Side 12.5cm

Answer»

ANSWER:

hhhivvkhhjjhjjbhjnbjjh.

Discussion

8.	The sum of first 15 terms of an arithemetic sequence is 300 if the first term is 6 find the common difference
Answer» ANSWER: d=2 Step-by-step explanation: 15/2[12+14d]=300 12+14d=40 14d=28 hope it HELPS

8.

The sum of first 15 terms of an arithemetic sequence is 300 if the first term is 6 find the common difference

Answer»

ANSWER:

d=2

Step-by-step explanation:

15/2[12+14d]=300

12+14d=40

14d=28

hope it HELPS

Discussion

9.	If P(1,-2) is a point onthe linesegment A( x,y) and B (-2,4) such asthat AP:PB= 2:3 find the coordinatesof A
Answer» We're given, $\longrightarrow \sf{A(x, y) = ({x}_{1}, {y}_{1})}$ $\longrightarrow \sf{P(1, -2) = (\alpha, \beta)}$ $\longrightarrow \sf{B(-2, 4) = ({x}_{2}, {y}_{2})}$ $\longrightarrow \sf{AP:PB = m:n = 2:3}$ $\sf{\\ \\}$ We KNOW by section formula, when a POINT $\sf{P(\alpha, \beta)}$ INTERSECTS internally a line segment AB where $\sf{A({x}_{1},{y}_{1})}$ and $\sf{B({x}_{2},{y}_{2})}$ in the RATIO m : n, then:- $\quad \quad \longrightarrow \sf{\alpha = \dfrac{m{x}_{2} + n{x}_{1}}{m + n}}$ $\quad \quad \longrightarrow \sf{\beta = \dfrac{m{y}_{2} + n{y}_{1}}{m + n}}$ $\sf{\\ \\}$ So, putting the VALUES, For alpha, $\longrightarrow \sf{\alpha = \dfrac{m{x}_{2} + n{x}_{1}}{m + n}}$ $\longrightarrow \sf{1 = \dfrac{(2 * -2) + (3 * x)}{2 + 3}}$ $\longrightarrow \sf{1 = \dfrac{ - 4 + 3x}{5}}$ $\longrightarrow \sf{5 = - 4 + 3x}$ $\longrightarrow \sf{9 = 3x}$ $\longrightarrow \underline{\sf{x = 3}}$ $\sf{\\ \\}$ For beta, $\longrightarrow \sf{\beta = \dfrac{m{y}_{2} + n{y}_{1}}{m + n}}$ $\longrightarrow \sf{-2 = \dfrac{(2 * 4) + (3 * y)}{2 + 3}}$ $\longrightarrow \sf{-2 = \dfrac{ 8 + 3y}{5}}$ $\longrightarrow \sf{-10 = 8 + 3y}$ $\longrightarrow \sf{-18 = 3y}$ $\longrightarrow \underline{\sf{y = -6}}$ $\sf{\\ \\}$ Hence the answer is, $\longrightarrow{\underline{\underline{\sf{A = (3,-6)}}}}$

9.

If P(1,-2) is a point onthe linesegment A( x,y) and B (-2,4) such asthat AP:PB= 2:3 find the coordinatesof A

Answer»

We're given,

$\longrightarrow \sf{A(x, y) = ({x}_{1}, {y}_{1})}$

$\longrightarrow \sf{P(1, -2) = (\alpha, \beta)}$

$\longrightarrow \sf{B(-2, 4) = ({x}_{2}, {y}_{2})}$

$\longrightarrow \sf{AP:PB = m:n = 2:3}$

$\sf{\\ \\}$

We KNOW by section formula, when a POINT $\sf{P(\alpha, \beta)}$ INTERSECTS internally a line segment AB where $\sf{A({x}_{1},{y}_{1})}$ and $\sf{B({x}_{2},{y}_{2})}$ in the RATIO m : n, then:-

$\quad \quad \longrightarrow \sf{\alpha = \dfrac{m{x}_{2} + n{x}_{1}}{m + n}}$

$\quad \quad \longrightarrow \sf{\beta = \dfrac{m{y}_{2} + n{y}_{1}}{m + n}}$

$\sf{\\ \\}$

So, putting the VALUES,

For alpha,

$\longrightarrow \sf{\alpha = \dfrac{m{x}_{2} + n{x}_{1}}{m + n}}$

$\longrightarrow \sf{1 = \dfrac{(2 * -2) + (3 * x)}{2 + 3}}$

$\longrightarrow \sf{1 = \dfrac{ - 4 + 3x}{5}}$

$\longrightarrow \sf{5 = - 4 + 3x}$

$\longrightarrow \sf{9 = 3x}$

$\longrightarrow \underline{\sf{x = 3}}$

$\sf{\\ \\}$

For beta,

$\longrightarrow \sf{\beta = \dfrac{m{y}_{2} + n{y}_{1}}{m + n}}$

$\longrightarrow \sf{-2 = \dfrac{(2 * 4) + (3 * y)}{2 + 3}}$

$\longrightarrow \sf{-2 = \dfrac{ 8 + 3y}{5}}$

$\longrightarrow \sf{-10 = 8 + 3y}$

$\longrightarrow \sf{-18 = 3y}$

$\longrightarrow \underline{\sf{y = -6}}$

$\sf{\\ \\}$

Hence the answer is,

$\longrightarrow{\underline{\underline{\sf{A = (3,-6)}}}}$

Discussion

10.	There are 3 set of distinct parallel ines containing 6,5,4lines respectively. find the maximum number of possible parallelogram formed by their points of intersection.
Answer» Answer: salee sushobit namak insan tera KYA jata hai answer aata hai to de ya FIR chup kr ke nikl le gali DENE KI jarurat nahi hai hm ko bhi aati hai

10.

There are 3 set of distinct parallel ines containing 6,5,4lines respectively. find the maximum number of possible parallelogram formed by their points of intersection.

Answer»

Answer:

salee sushobit namak insan tera KYA jata hai answer aata hai to de ya FIR chup kr ke nikl le

gali DENE KI jarurat nahi hai

hm ko bhi aati hai

Discussion

11.	Honey can paint a shirt in 15 days and Kini can paint the same shirt in 30 days.they work together, in how many days will the shirt be paintea
Answer» Answer: 15 days Step-by-step EXPLANATION: I think it will help you PLEASE MAKE me a brainlist

11.

Honey can paint a shirt in 15 days and Kini can paint the same shirt in 30 days.they work together, in how many days will the shirt be paintea

Answer»

Answer:

15 days

Step-by-step EXPLANATION:

I think it will help you

PLEASE MAKE me a brainlist

Discussion

12.	The quadratic equation 2x2-√5x+1 =01, two distinct real roots. 2. Two equal real roots3. No real roots4. More than two real roots
Answer» 3) No REAL roots hope this HELPS you

12.

The quadratic equation 2x2-√5x+1 =01, two distinct real roots. 2. Two equal real roots3. No real roots4. More than two real roots

Answer»

3) No REAL roots

hope this HELPS you

Discussion

13.	The denominator of a rational number is 1 more than the numerator. If the numeratoris reduced by 2 and denominator is increased by 3, the rational no. reduces to ¼. Find the rational number
Answer» SOLUTION :- LET, Numerator = x Denominator = y According to the FIRST condition, $\longrightarrow\sf y= x+<klux>1</klux> \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ........................(1)$ According to the SECOND condition, $\longrightarrow\sf \dfrac{x-2}{y+3}=\dfrac{1}{4} \\\\\longrightarrow\sf 4(x-2)=y+3 \\\\\longrightarrow 4x-8 = y+3 \\\\\longrightarrow 4x-y = 3+8 \\\\\longrightarrow 4x-y = 11 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ........................(2)$ Substitute y = x + 1 in EQUATION (2), $\longrightarrow\sf 4x-(x+1)=11\\\\\longrightarrow 4x-x-1= 11 \\\\\longrightarrow 3x= 12 \\\\\longrightarrow \bf x = 4$ Numerator = 4 Denominator = 4 + 1 = 5 $\bf FRACTION = \dfrac{4}{5}$

13.

The denominator of a rational number is 1 more than the numerator. If the numeratoris reduced by 2 and denominator is increased by 3, the rational no. reduces to ¼. Find the rational number

Answer»

SOLUTION :-

LET,

Numerator = x

Denominator = y

According to the FIRST condition,

$\longrightarrow\sf y= x+<klux>1</klux> \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ........................(1)$

According to the SECOND condition,

$\longrightarrow\sf \dfrac{x-2}{y+3}=\dfrac{1}{4} \\\\\longrightarrow\sf 4(x-2)=y+3 \\\\\longrightarrow 4x-8 = y+3 \\\\\longrightarrow 4x-y = 3+8 \\\\\longrightarrow 4x-y = 11 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ........................(2)$

Substitute y = x + 1 in EQUATION (2),

$\longrightarrow\sf 4x-(x+1)=11\\\\\longrightarrow 4x-x-1= 11 \\\\\longrightarrow 3x= 12 \\\\\longrightarrow \bf x = 4$

Numerator = 4

Denominator = 4 + 1 = 5

$\bf FRACTION = \dfrac{4}{5}$

Discussion

14.	8. 3.42 g of sucrose are dissolved in 18 g of water in a beaker. The numbers of oxygen atoms in thesolution are:(a) 6.68 1023(b) 6.09 x1022(c) 6.022 1023(d) 6.022 x1021Vaibhav aapka question pr space nhi h yrr.......❣❣
Answer» ANSWER: ISHIKA U can TELL me now

14.

8. 3.42 g of sucrose are dissolved in 18 g of water in a beaker. The numbers of oxygen atoms in thesolution are:(a) 6.68 1023(b) 6.09 x1022(c) 6.022 1023(d) 6.022 x1021Vaibhav aapka question pr space nhi h yrr.......❣❣

Answer»

ANSWER:

ISHIKA U can TELL me now

Discussion

15.	Two poles of heights 15m and 24 m stand on a plane ground .if distance between their feet is 12m,find the distance between their tops
Answer» ${ \sf{ \underline{ \red{ \underline{ \red{Question}}}} : - }}$ Two poles of heights 15m and 24 m stand on a PLANE ground .if DISTANCE between their feet is 12m,find the distance between their tops. ${ \sf{ \underline{ \red{ \underline{ \red{Given}}}} : - }}$ a) Two poles of heights 15m and 24 m stand on a plane ground. b) Distance between their feet is 12m. ${ \sf{ \underline{ \red{ \underline{ \red{Find}}}} : - }}$ The distance between their tops. ${ \sf{ \underline{ \red{ \underline{ \red{Solution}}}} : - }}$ { According to question} Let, AB & CD be the two pole's of heights 15m and 24m respectively and they stand on a plane ground. => AB = 15m & CD = 24m Let, assume that AB & CD Both are perpendicular to ground. mean's they are PARALLEL to each other. Construction:- E be the point on CD. Let, AE is perpendicular to CD. Hence we can write it as => AB = ED = 15cm ...... ( 1 ) => BD = AE = 12CM ...... ( 2 ) { According to construction } Δ AEC is a right ANGLE triangle. To find length of CE => CE = CD - ED => CE = 24m - 15m { from ( 1 )} => CE = 9m ...... ( 3 ) Now we use Pythagoras theorem to distance between tops of poles AB & CD { means distance AC } { from ( 2 ) & ( 3 )} => (AC)² = (AE)² + (CE)² => (AC)² = ( 12 )² + ( 9 )² => (AC)² = 144 + 81 => (AC)² = 225 => AC = √225 => AC = 15m Hence distance between the tops of poles is 15m .

15.

Two poles of heights 15m and 24 m stand on a plane ground .if distance between their feet is 12m,find the distance between their tops

Answer»

${ \sf{ \underline{ \red{ \underline{ \red{Question}}}} : - }}$

Two poles of heights 15m and 24 m stand on a PLANE ground .if DISTANCE between their feet is 12m,find the distance between their tops.

${ \sf{ \underline{ \red{ \underline{ \red{Given}}}} : - }}$

a) Two poles of heights 15m and 24 m stand on a plane ground.
b) Distance between their feet is 12m.

${ \sf{ \underline{ \red{ \underline{ \red{Find}}}} : - }}$

The distance between their tops.

${ \sf{ \underline{ \red{ \underline{ \red{Solution}}}} : - }}$

{ According to question}

Let, AB & CD be the two pole's of heights 15m and 24m respectively and they stand on a plane ground.

=> AB = 15m & CD = 24m

Let, assume that AB & CD Both are perpendicular to ground. mean's they are PARALLEL to each other.

Construction:- E be the point on CD.

Let, AE is perpendicular to CD.

Hence we can write it as

=> AB = ED = 15cm ...... ( 1 )

=> BD = AE = 12CM ...... ( 2 )

{ According to construction }

Δ AEC is a right ANGLE triangle.

To find length of CE

=> CE = CD - ED

=> CE = 24m - 15m { from ( 1 )}

=> CE = 9m ...... ( 3 )

Now we use Pythagoras theorem to distance between tops of poles AB & CD

{ means distance AC }

{ from ( 2 ) & ( 3 )}

=> (AC)² = (AE)² + (CE)²

=> (AC)² = ( 12 )² + ( 9 )²

=> (AC)² = 144 + 81

=> (AC)² = 225

=> AC = √225

=> AC = 15m

Hence distance between the

tops of poles is 15m .

Discussion

16.	2. The measures of the angles of a triangle are 3x", 4x", 2x. Find the set ofmeasures of the angles of the triangle.(1) 40 60 80 (2) 45°, 60°, 30° (3) 54°, 90°, 36° (4) 20°, 60°, 100%3. What is the measure of the prentest angle in theplzz give me
Answer» Step-by-step explanation: 390P sick soul, soul SIGNS TOTAL RIGHT to OHIO whenever do

16.

2. The measures of the angles of a triangle are 3x", 4x", 2x. Find the set ofmeasures of the angles of the triangle.(1) 40 60 80 (2) 45°, 60°, 30° (3) 54°, 90°, 36° (4) 20°, 60°, 100%3. What is the measure of the prentest angle in theplzz give me

Answer»

Step-by-step explanation:

390P sick soul, soul SIGNS TOTAL RIGHT to OHIO whenever do

Discussion

17.	Page No.Date1. What will be the compound interestaccuered on a sum of 2 16000/- at arraof 157. per ansam in syuars
Answer» Answer: You haven't MENTIONED the time to calculate the Compound INTEREST so SORRY bro I cant help

17.

Page No.Date1. What will be the compound interestaccuered on a sum of 2 16000/- at arraof 157. per ansam in syuars

Answer»

Answer:

You haven't MENTIONED the time to calculate the Compound INTEREST so SORRY bro I cant help

Discussion

18.	Ons does the list of numbers involved make an undreachim when the fire is 15 for the first and for eachpump remove
Answer» Step-by-step EXPLANATION: hdykdkydh NCH jcucn HV VJ

18.

Ons does the list of numbers involved make an undreachim when the fire is 15 for the first and for eachpump remove

Answer»

Step-by-step EXPLANATION:

hdykdkydh NCH jcucn HV VJ

Discussion

19.	16So, of number* * * = 164.520* = 16 * 1AnsX = 16+5Hence, the number is 20.1. Veenu ate32her ?Exercise 6.63 of a cake and Anu ate of the same cake. How much of the cake is eaten up ?2 Teena had 2 50. She spent ? 4 5 on books and ? 45. A fraction is added to to get 3. Find the fraction.4 Priya bought 92 m of cotton cloth at the rate of * 10 per m. How much money Priya required toIn a cinema hall's parking, 90 cars can be parked at a time. During a night show, of the parkirwas full. How many cars were there at that time?Ebe product of two numbers is 6. If one number is 3;, find the other number.pay ?on toys. How many rupees were left withEach side of a square is 4m. Find its perimeter.The cost of 10 kg of sugar is 200 6. What is the cost of 3 kg sugar ?of a number is 39. Find the numberThe cost of ll of milk is 18. Find the cost of 7 of milk.
Answer» ANSWER: are you MAD hxhhxhdhuduususuhdhdhdhhdhdhdhhddnndn hffhhhfhdhdhdhdhhdbduehe7u3ueue53t e77eydyehhdhydyevevx

19.

16So, of number* * * = 164.520* = 16 * 1AnsX = 16+5Hence, the number is 20.1. Veenu ate32her ?Exercise 6.63 of a cake and Anu ate of the same cake. How much of the cake is eaten up ?2 Teena had 2 50. She spent ? 4 5 on books and ? 45. A fraction is added to to get 3. Find the fraction.4 Priya bought 92 m of cotton cloth at the rate of * 10 per m. How much money Priya required toIn a cinema hall's parking, 90 cars can be parked at a time. During a night show, of the parkirwas full. How many cars were there at that time?Ebe product of two numbers is 6. If one number is 3;, find the other number.pay ?on toys. How many rupees were left withEach side of a square is 4m. Find its perimeter.The cost of 10 kg of sugar is 200 6. What is the cost of 3 kg sugar ?of a number is 39. Find the numberThe cost of ll of milk is 18. Find the cost of 7 of milk.

Answer»

ANSWER:

are you MAD hxhhxhdhuduususuhdhdhdhhdhdhdhhddnndn hffhhhfhdhdhdhdhhdbduehe7u3ueue53t e77eydyehhdhydyevevx

Discussion

20.	If the letters of word 'VIRAT” are written in all possible ways and then are arranged in a dictionary, then rank of word "VIRAT" isa)100b) 105c)107d) 109the correct answer will be marked as brainliest no spam or your answer would be reported
Answer» ANSWER: I THINK the answer should be (C)107 Step-by-step EXPLANATION:

20.

If the letters of word 'VIRAT” are written in all possible ways and then are arranged in a dictionary, then rank of word "VIRAT" isa)100b) 105c)107d) 109the correct answer will be marked as brainliest no spam or your answer would be reported

Answer»

ANSWER:

I THINK the answer should be (C)107

Step-by-step EXPLANATION:

Discussion

21.	Classify the following as rational or irrational numbers1.√ 242.√ 133.√ 2254.√ 1146.0.1616167.5.1112131410188.√ 36 -------- √ 81Please no scam
Answer» Answer: 1. irrational 2.irrational 3.rational 4.irrational 6.rational 7.rational 8.rational 9.rational please MARK me as the BRAINLIEST

21.

Classify the following as rational or irrational numbers1.√ 242.√ 133.√ 2254.√ 1146.0.1616167.5.1112131410188.√ 36 -------- √ 81Please no scam

Answer»

Answer:

1. irrational

2.irrational

3.rational

4.irrational

6.rational

7.rational

8.rational

9.rational

please MARK me as the BRAINLIEST

Discussion

22.	The horizontal distance between two towers is 70m. The angle of depression of the top of the first tower when seen from the top of the second tower is 30°. If the height of the second tower is 120m, find the height of the first tower. (ans:79.58)Explain with steps and do it in a paperI will mark as brainlist only if you do it in a paper
Answer» Answer: or The figure of the given CONDITION is attached along with the answer. We are provided with two towers 70 m apart. The angle of DEPRESSION of the top of the SMALLER tower from the top of the TALLER tower is 30°. The height of the taller tower is 120 m. We are asked to find the height of the smaller tower. In the figure, let AB represent the SHORTER tower and CD represent the taller tower which is 120 m high. BD is the distance between the foot of the two towers, i.e. 70 m. : Lets start with solving the problem with given data now! In Δ ACP, tan 30° = CP / AD 1 / √3 = CP / 70 CP√3 = 70 CP = (70 / √3) m As visible in the figure, AD \|\| BD. Thus, x = CD - CP x = 120 - 70/√3 x = (120√3 - 70) / √3 : x = 79.58 (When you take √3 = 1.73) Explanation: hope it helps you...

22.

The horizontal distance between two towers is 70m. The angle of depression of the top of the first tower when seen from the top of the second tower is 30°. If the height of the second tower is 120m, find the height of the first tower. (ans:79.58)Explain with steps and do it in a paperI will mark as brainlist only if you do it in a paper

Answer»

Answer:

or

The figure of the given CONDITION is attached along with the answer.

We are provided with two towers 70 m apart. The angle of DEPRESSION of the top of the SMALLER tower from the top of the TALLER tower is 30°. The height of the taller tower is 120 m. We are asked to find the height of the smaller tower.

In the figure, let AB represent the SHORTER tower and CD represent the taller tower which is 120 m high. BD is the distance between the foot of the two towers, i.e. 70 m.

:

Lets start with solving the problem with given data now!

In Δ ACP,

tan 30° = CP / AD

1 / √3 = CP / 70

CP√3 = 70

CP = (70 / √3) m

As visible in the figure, AD || BD.

Thus, x = CD - CP

x = 120 - 70/√3

x = (120√3 - 70) / √3

:

x = 79.58 (When you take √3 = 1.73)

Explanation:

hope it helps you...

Discussion

23.	If a, P are roots of the equation x² + 5x + 5 = 0, then equation whose roots are a + 1 and p + 1 is(a) x² + 5x – 5 = 0(b) x² + 3x + 5 = 0(c) x² + 3x + 1 = 0(d) none of these
Answer» ANSWER: X 24 is the CURRET answer

23.

If a, P are roots of the equation x² + 5x + 5 = 0, then equation whose roots are a + 1 and p + 1 is(a) x² + 5x – 5 = 0(b) x² + 3x + 5 = 0(c) x² + 3x + 1 = 0(d) none of these

Answer»

ANSWER:

X 24 is the CURRET answer

Discussion

24.	1 point012. Ravi grouped the givenballs in tens. How many groupshe will make?O 2O 3O 4O 5
Answer» ANSWER: he make 5 groups .. Step-by-step EXPLANATION: *PLZZZZ* *mark me a brilliant... and* *follow* me...plzzz *foll*ow me...

24.

1 point012. Ravi grouped the givenballs in tens. How many groupshe will make?O 2O 3O 4O 5

Answer»

ANSWER:

he make 5 groups ..

Step-by-step EXPLANATION:

PLZZZZ mark me a brilliant...

and follow me...plzzz follow me...

Discussion

25.	Prove that cot(180 + ) sin(90−) cos(−)sin(270+) tan(−) (360+)
Answer» Answer: by good NIGHT sweet dreams AAP so jao thank GYE ho na

25.

Prove that cot(180 + ) sin(90−) cos(−)sin(270+) tan(−) (360+)

Answer»

Answer:

by good NIGHT sweet dreams AAP so jao thank GYE ho na

Discussion

26.	85 divided by 2Ghhn jj ,m
Answer» ANSWER: If we DIVIDE 85 by 2 ? Then The answer of the QUESTION is . =42.5

26.

85 divided by 2Ghhn jj ,m

Answer»

ANSWER:

If we DIVIDE 85 by 2 ?

Then The answer of the QUESTION is .

=42.5

Discussion

27.	1 point3)Find the distance betweenthe given points. A(-3.6) B(9.- 10 )O 13 unitsO 20 unitsO 29/4 unitsO 169 units
Answer» ANSWER: Step-by-step EXPLANATION: B

27.

1 point3)Find the distance betweenthe given points. A(-3.6) B(9.- 10 )O 13 unitsO 20 unitsO 29/4 unitsO 169 units

Answer»

ANSWER:

Step-by-step EXPLANATION:

B

Discussion

28.	7x-2/15=4x+6What is the value of 'x' in the above equation
Answer» Step-by-step EXPLANATION: MARK me BRAINLIEST PLS

28.

7x-2/15=4x+6What is the value of 'x' in the above equation

Answer»

Step-by-step EXPLANATION:

MARK me BRAINLIEST PLS

Discussion

29.	Plz plz plz teplease please tell me2 \times \frac{2}{3} \times 3 =2× 32 ×3=
Answer» Step-by-step EXPLANATION: $\sf \to \: 2 \times \frac{2}{3} \times 3 \\ \\ \sf \to \: \frac{4}{3} \times 3\\ \\ \sf \to \frac{12}{3} \\ \\ \sf \to \cancel{ \frac{12}{3} } \\ \\ \sf \to \red{4}$

29.

Plz plz plz teplease please tell me2 \times \frac{2}{3} \times 3 =2× 32 ×3=

Answer»

Step-by-step EXPLANATION: $\sf \to \: 2 \times \frac{2}{3} \times 3 \\ \\ \sf \to \: \frac{4}{3} \times 3\\ \\ \sf \to \frac{12}{3} \\ \\ \sf \to \cancel{ \frac{12}{3} } \\ \\ \sf \to \red{4}$

Discussion

30.	Page NoDate:@ Write the fallowing statement in conditional formEvery rectangle is parallelogrom!
Answer» EVERY RECTANGLE SHOULD BE PARALLELOGRAM

Discussion

31.	Question No. 51If the letters of word "VIRAT" are written in all possible ways and then are arranged in a dictionary, then rank of word "VIRAT" is :
Answer» Answer: 107 is the CORRECT answer Step-by-step EXPLANATION: HEY MARK me as BRAINLIEST.

31.

Question No. 51If the letters of word "VIRAT" are written in all possible ways and then are arranged in a dictionary, then rank of word "VIRAT" is :

Answer»

Answer:

107 is the CORRECT answer

Step-by-step EXPLANATION:

HEY MARK me as BRAINLIEST.

Discussion

32.	The point of intersection of two axis is called ____ and the coordinates of that point are ____please help me with the write answer ......
Answer» ANSWER: GRID Step-by-step explanation: HOPE it HELPS you Mark as BRAINLIEST

32.

The point of intersection of two axis is called and the coordinates of that point are please help me with the write answer ......

Answer»

ANSWER:

GRID

Step-by-step explanation:

HOPE it HELPS you

Mark as BRAINLIEST

Discussion

33.	3. Give an example of each, two irrational numbers,whose :(i) difference is a rational number.(ii) sum is rational number.(iii) product is a rational number.(iv) quotient is a rational number.
Answer» ANSWER: ) 2 + √5 , and 3 + √5 ii) 10 + 3 , 5 - √3 iii) 3 +√2 , 3 - √2 iv) 5√3 , 3√3 v) 3 - √5 , 5 +√3 vi) 5 √8 , √2 vii) 2√3 , √3 viii) 2√10 , 2√2

33.

3. Give an example of each, two irrational numbers,whose :(i) difference is a rational number.(ii) sum is rational number.(iii) product is a rational number.(iv) quotient is a rational number.

Answer»

ANSWER:

) 2 + √5 , and 3 + √5

ii) 10 + 3 , 5 - √3

iii) 3 +√2 , 3 - √2

iv) 5√3 , 3√3

v) 3 - √5 , 5 +√3

vi) 5 √8 , √2

vii) 2√3 , √3

viii) 2√10 , 2√2

Discussion

34.	(D) r3dy 3y* 3, +2x4y4 অবকল সমীকরণের সমাকল গুণকdxX(integrating factor) হয়—1B)A--3v2F42⁷
Answer» ANSWER: hbgvtfvgg F HGH hthhgghhhhh

34.

(D) r3dy 3y* 3, +2x4y4 অবকল সমীকরণের সমাকল গুণকdxX(integrating factor) হয়—1B)A--3v2F42⁷

Answer»

ANSWER:

hbgvtfvgg F HGH hthhgghhhhh

Discussion

35.	9. Selling price of 32 articles is equal to the cost price of 34 articles. Find the loss or gainpercent.
Answer» Answer: 33% Step-by-step EXPLANATION:

35.

9. Selling price of 32 articles is equal to the cost price of 34 articles. Find the loss or gainpercent.

Answer»

Answer:

33%

Step-by-step EXPLANATION:

Discussion

36.	) If Cost of a pen is always one more than twice that of eraser. Thenrepresent this in linear equation of two variables and draw its graph.
Answer» Step-by-step EXPLANATION: let price of eraser be X and price of PEN be y here MENTION 2x=y so 2x=y

36.

) If Cost of a pen is always one more than twice that of eraser. Thenrepresent this in linear equation of two variables and draw its graph.

Answer»

Step-by-step EXPLANATION:

let price of eraser be X and price of PEN be y

here MENTION 2x=y

so 2x=y

Discussion

37.	(d) If AB \|\| EF, DE \|\| BC, AC \|\| DF, find x and y.D60°AB110°y ухEFC
Answer» Answer: CHILL BRO its so EASY cant you do it, OKAY i will tell you but do not cheat in online exams with my precious answer Step-by-step explanation: PLZ mark me as the brainliest angle D = 60 degree so ACCORDING to your question X=110 degrees AND Y=120 degrees

37.

(d) If AB || EF, DE || BC, AC || DF, find x and y.D60°AB110°y ухEFC

Answer»

Answer:

CHILL BRO its so EASY cant you do it, OKAY i will tell you but do not cheat in online exams with my precious answer

Step-by-step explanation:

PLZ mark me as the brainliest angle

D = 60 degree

so ACCORDING to your question

X=110 degrees

AND

Y=120 degrees

Discussion

38.	Which of the following number sentencesbest describes the problem shown on thenumber line?-5-4-3-2-1 0 1 2 3 4 5
Answer» ANSWER: -5-4&45 is best described the PROBLEM in the number line.

38.

Which of the following number sentencesbest describes the problem shown on thenumber line?-5-4-3-2-1 0 1 2 3 4 5

Answer»

ANSWER:

-5-4&45 is best described the PROBLEM in the number line.

Discussion

39.	13. Three consecutive natural numbers are suchthat the square of the middle number exceedsthe difference of the squares of the other twoby 60sume the middle number to be and form
Answer» Answer: please RATE me 5 and GIVE a heart Step-by-step EXPLANATION: see answer in the chrome or ask Your teacher. Thank you

39.

13. Three consecutive natural numbers are suchthat the square of the middle number exceedsthe difference of the squares of the other twoby 60sume the middle number to be and form

Answer»

Answer:

please RATE me 5 and GIVE a heart

Step-by-step EXPLANATION:

see answer in the chrome or ask Your teacher.

Thank you

Discussion

40.	Himanshu bought 5kg 8g apples , 2 kg 350 g mangoes and some oranges. if the total weight of the three fruits is 10kg 200g what is the weight of orange
Answer» Answer: Answer: Sarala bought more fruits. Step-by-step explanation: Given : Shyama bought 5 kg 300 APPLES and 3 kg 250 g mangoes. Sarala bought 4 kg 800 g ORANGES and 4 kg 150 g bananas. To find : Who bought more fruits. Solution : Fruit BROUGHT by Shyama = 5kg and 300g apples and 3kg and 250g mangoes =5+3 kg and 300+250 g= 8kg and 550g fruits Fruit brought by Sarala = 4KG and 800g oranges and 4kg and 150G banana =4+4 kg and 800+150 g= 8kg and 950g fruits So, Sarala brought more fruits than Shyama. Therefore, Sarala is the answer.

40.

Himanshu bought 5kg 8g apples , 2 kg 350 g mangoes and some oranges. if the total weight of the three fruits is 10kg 200g what is the weight of orange

Answer»

Answer:

Sarala bought more fruits.

Step-by-step explanation:

Given : Shyama bought 5 kg 300 APPLES and 3 kg 250 g mangoes.

Sarala bought 4 kg 800 g ORANGES and 4 kg 150 g bananas.

To find : Who bought more fruits.

Solution :

Fruit BROUGHT by Shyama = 5kg and 300g apples and 3kg and 250g mangoes

=5+3 kg and 300+250 g= 8kg and 550g fruits

Fruit brought by Sarala = 4KG and 800g oranges and 4kg and 150G banana

=4+4 kg and 800+150 g= 8kg and 950g fruits

So, Sarala brought more fruits than Shyama.

Therefore, Sarala is the answer.

Discussion

41.	Annual rent of a house is Rs. 102, 600. Findthe average rent of house for each month.please give me ans
Answer» ANSWER: The AVERAGE is 351. Step-by-step explanation: FIRST we will ADD the numbers. = 102+600=702 No.of observations are 2. So that is why we will divide it by 2. =702/2. 351

41.

Annual rent of a house is Rs. 102, 600. Findthe average rent of house for each month.please give me ans

Answer»

ANSWER:

The AVERAGE is 351.

Step-by-step explanation:

FIRST we will ADD the numbers. = 102+600=702 No.of observations are 2. So that is why we will divide it by 2. =702/2. 351

Discussion

42.	Factorise :(p-q)2 -6(p- q) -16.
Answer» ANSWER: (p-q)×[2×(p-q)-3×1] (p-q)×[2p-2p-3] (p-q)(2p-2p-3)

42.

Factorise :(p-q)2 -6(p- q) -16.

Answer»

ANSWER:

(p-q)×[2×(p-q)-3×1]

(p-q)×[2p-2p-3]

(p-q)(2p-2p-3)

Discussion

43.	16. If f : Q → Q is defined as f(x) = x², then f⁻¹ (9) is equal toA) 3B) -3C) {-3,3}D) ɸ
Answer» Answer: HIIII of the syllabus of 20 and your family a HAPPY new YEAR to be a GREAT time and your company as a very happy

43.

16. If f : Q → Q is defined as f(x) = x², then f⁻¹ (9) is equal toA) 3B) -3C) {-3,3}D) ɸ

Answer»

Answer:

HIIII of the syllabus of 20 and your family a HAPPY new YEAR to be a GREAT time and your company as a very happy

Discussion

44.	Who is the Prime Minister of India?.........This is not the question . Just thank my 10 answers
Answer» Answer: THNX for FREE points plz mark as BRAINLIEST

44.

Who is the Prime Minister of India?.........This is not the question . Just thank my 10 answers

Answer»

Answer:

THNX for FREE points

plz mark as BRAINLIEST

Discussion

45.	A box contains 11 cards numbered 1 to 11. What is the number of waysof choosing 5 cards from the box such that two of them are odd –numbered and remaining three are even – numbered.CLASS 11 PERMUTATION AND COMBINATION
Answer» ANSWER: The NUMBER ORDER is 1,3,4,6,8 .

45.

A box contains 11 cards numbered 1 to 11. What is the number of waysof choosing 5 cards from the box such that two of them are odd –numbered and remaining three are even – numbered.CLASS 11 PERMUTATION AND COMBINATION

Answer»

ANSWER:

The NUMBER ORDER is 1,3,4,6,8 .

Discussion

46.	-Find the value of k so that the point ( 2,5 ) lies on the line kx + 3y = 1 .....-5-6-7-8
Answer» ANSWER: bbbjnunhvjivkyvkynigjbko

46.

-Find the value of k so that the point ( 2,5 ) lies on the line kx + 3y = 1 .....-5-6-7-8

Answer»

ANSWER:

bbbjnunhvjivkyvkynigjbko

Discussion

47.	For a, b, c € R the roots of (x+a) (x+b)=c^2 are1) real and equal2) real and unequal3) complex numbers4) equal complex numbers
Answer» ANSWER: OPTION 4 Step-by-step explanation: FOLLOW me for quick answer.. *MARK me as BRAINLIST*

47.

For a, b, c € R the roots of (x+a) (x+b)=c^2 are1) real and equal2) real and unequal3) complex numbers4) equal complex numbers

Answer»

ANSWER:

OPTION 4

Step-by-step explanation:

FOLLOW me for quick answer..

MARK me as BRAINLIST

Discussion

48.	B3705 trucks leave Mumbai for Pune in the morning and 1856trucks in the evening. How many trucks leave in all?
Answer» Answer: 5561 is your answer Step-by-step explanation: 3705+1856

48.

B3705 trucks leave Mumbai for Pune in the morning and 1856trucks in the evening. How many trucks leave in all?

Answer»

Answer:

5561 is your answer

Step-by-step explanation:

3705+1856

Discussion

49.	SkillRackQUANTITATIVE APTITUDE - 0010409HoursMinutes SecondsSection 1: MCQ (Session 1/1)« 1 2 3 45 66 7 8 9 10 > >>Q5) 1.0 marksA certain sum of money at simple interest amounts to Rs. 1260 in 2 years and to Rs. 1350 in 5 years. Find the rate percent per annum.4(2/3)% per annum1(1/2)% per annum2(1/2)% per annum6(1/4)% per annumClear
Answer» ANSWER: SORRY I didn't UNDERSTAND your POINT

49.

SkillRackQUANTITATIVE APTITUDE - 0010409HoursMinutes SecondsSection 1: MCQ (Session 1/1)« 1 2 3 45 66 7 8 9 10 > >>Q5) 1.0 marksA certain sum of money at simple interest amounts to Rs. 1260 in 2 years and to Rs. 1350 in 5 years. Find the rate percent per annum.4(2/3)% per annum1(1/2)% per annum2(1/2)% per annum6(1/4)% per annumClear

Answer»

ANSWER:

SORRY I didn't UNDERSTAND your POINT

Discussion

50.	2) Army brought a rectangular cloth of width 3m to built a conical tent ofvertical height 6m and base radius 8m. If army uses 75% of the cloth tobuild the tent, then what was the actual length of cloth that was broughtfrom the market?
Answer» Answer: if the length of the cloth is = X cm and the HEIGHT = 6 cm The BASE = 8m and the ARMY uses = 75 % of the cloth

50.

2) Army brought a rectangular cloth of width 3m to built a conical tent ofvertical height 6m and base radius 8m. If army uses 75% of the cloth tobuild the tent, then what was the actual length of cloth that was broughtfrom the market?

Answer»

Answer:

if the length of the cloth is = X cm

and the HEIGHT = 6 cm

The BASE = 8m and the ARMY uses = 75 % of the cloth

Discussion

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) If Cost of a pen is always one more than twice that of eraser. Thenrepresent this in linear equation of two variables and draw its graph.​

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) If Cost of a pen is always one more than twice that of eraser. Thenrepresent this in linear equation of two variables and draw its graph.

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Who is the Prime Minister of India?.........This is not the question . Just thank my 10 answers

-Find the value of k so that the point ( 2,5 ) lies on the line kx + 3y = 1 .....-5-6-7-8

For a, b, c € R the roots of (x+a) (x+b)=c^2 are1) real and equal2) real and unequal3) complex numbers4) equal complex numbers

B3705 trucks leave Mumbai for Pune in the morning and 1856trucks in the evening. How many trucks leave in all?

2) Army brought a rectangular cloth of width 3m to built a conical tent ofvertical height 6m and base radius 8m. If army uses 75% of the cloth tobuild the tent, then what was the actual length of cloth that was broughtfrom the market?