332354 + Interview Questions in Secondary School in Math

1.	How to find root 2 is a irrational number
Answer» ANSWER: This PROVES that ROOT2 is IRRATIONAL

1.

How to find root 2 is a irrational number

Answer»

ANSWER:

This PROVES that ROOT2 is IRRATIONAL

Discussion

2.	Imp questions that help me to pass in math
Answer» ANSWER: HEY mate Step-by-step explanation: ATLEAST do all proves of theorems any 2 or 3 can come ..... practice sample PAPERS best of luck mark BRAINLIST ✌️

2.

Imp questions that help me to pass in math

Answer»

ANSWER:

HEY mate

Step-by-step explanation:

ATLEAST do all proves of theorems any 2 or 3 can come

.....

practice sample PAPERS

best of luck

mark BRAINLIST ✌️

Discussion

3.	25. A dishonest milkman professes to sell milk at costprice but he makes 33/3% profit by mixing it withwater. What is the percentage of water content inany milk solution that he sells?(A) 20% (B) 331/3% (C) 25% (D) 30%
Answer» ANSWER: c Step-by-step EXPLANATION: I am CONFIRM this is the answer

3.

25. A dishonest milkman professes to sell milk at costprice but he makes 33/3% profit by mixing it withwater. What is the percentage of water content inany milk solution that he sells?(A) 20% (B) 331/3% (C) 25% (D) 30%

Answer»

ANSWER:

c

Step-by-step EXPLANATION:

I am CONFIRM this is the answer

Discussion

4.	If x is an integer & y = -4x+17,what is the least value of x for which y is less than 1?
Answer» Answer: here, X is an INTEGER and y= -4x+17 now, y is LESS than 1 so, $y < 1 \\ - 4x + 17 < 1 \\ - 4x + 17 - 17 < 1 - 17 \\ - 4x < - 16 \\ \frac{ - 4x}{ - 4} < \frac{ - 16}{ - 4} \\ x < 4$ so VALUE of X: $( - \infty \: to \: 4)$

4.

If x is an integer & y = -4x+17,what is the least value of x for which y is less than 1?

Answer»

Answer:

here,

X is an INTEGER and

y= -4x+17

now, y is LESS than 1

so,

$y < 1 \\ - 4x + 17 < 1 \\ - 4x + 17 - 17 < 1 - 17 \\ - 4x < - 16 \\ \frac{ - 4x}{ - 4} < \frac{ - 16}{ - 4} \\ x < 4$

so VALUE of X:

$( - \infty \: to \: 4)$

Discussion

5.	25% off of a number is 50. Fis the number
Answer» Answer: let the NUMBER be X then A/Q 25/100x= 50 = x= 504=200 hence answer is 200 MARK me brainlist

5.

25% off of a number is 50. Fis the number

Answer»

Answer:

let the NUMBER be X

then

A/Q

25/100*x= 50

= x= 50*4=200

hence answer is 200

MARK me brainlist

Discussion

6.	25% off of a number is 50. Find the number
Answer» LET the NUMBER be X 25/100* x = 50 X = 100/25 * 50 X = 200

6.

25% off of a number is 50. Find the number

Answer»

LET the NUMBER be X

25/100* x = 50

X = 100/25 * 50

X = 200

Discussion

7.	If alpha and beta are multiple zeroes of 6x^2-5x-k and alpha-beta=7/6 so find the value of k
Answer» $\large{\underline{\underline{\mathfrak{\green{\sf{QUESTION:-}}}}}}$ . if $\alpha\:and\:\beta$ are MULTIPLE ZEROES of $\:(6x^<klux>2</klux>-5x-k)$ and $\alpha\:-\:\beta\:=\:\frac{7}{6}$ so find the value of k $\large{\underline{\underline{\mathfrak{\green{\sf{Sulution:-}}}}}}$ . $\large{\underline{\underline{\mathfrak{\sf{Given\:Here:-}}}}}$ . Equation is $\:(6x^2-5x-k)\:=\:0$ $\alpha\:and\:\beta\:are\:zeros\:of\:this\:equation$ $\alpha\:-\:\beta\:=\frac{7}{6}$ ...(1) $\large{\underline{\underline{\mathfrak{\sf{Find\:Here:-}}}}}$ . Value of k $\large{\underline{\underline{\mathfrak{\sf{Explanation:-}}}}}$ . We KNOW , $\bold{\boxed{\boxed{\:Sum\:of\:Zeros\:=\frac{-(Coefficient\:of\:x)}{(Coefficient\:of\:x^2)}}}}$ So, $\implies\:(\alpha\:+\beta)\:=\frac{-(-5)}{6}$ $\implies\:(\alpha\:+\beta)\:=\frac{5}{6}$ ...(2) ADDITION of equation (1) and (2) , We find here, $\implies\:2\alpha\:=\frac{7}{6}\:+\frac{5}{6}$ $\implies\:2\alpha\:=\frac{(7+5)}{6}$ $\implies\:2\alpha\:=\frac{\cancel{12}}{\cancel{6}}$ $\bold{\boxed{\boxed{\:\alpha\:=\:1}}}$ Keep value of $\alpha\:=\:1$ in (2) we find here, $\implies\:(1\:+\beta)\:=\frac{5}{6}$ $\implies\:(\beta)\:=\frac{5}{6}\:-\:1$ $\implies\:(\beta)\:=\frac{(5-6)}{6}$ $\bold{\boxed{\boxed{\:(\beta)\:=\frac{-1}{6}}}}$ ___________________ Again, We know , $\bold{\boxed{\boxed{\:Product\:of\:Zeros\:=\frac{(Constant\:part)}{(Coefficient\:of\:x^2)}}}}$ $\implies\:(\alpha\times\beta)\:=\frac{(-k)}{6}$ Keep value of $\alpha\:and\:\beta$ $\implies\:(1\:\times\frac{-1}{6})\:=\frac{k}{6}$ $\implies\:\frac{k}{6}\:=\frac{-1}{6}$ $\implies\:(k)\:=\frac{\cancel{-6}}{\cancel{6}}$ $\bold{\boxed{\boxed{\:(k)\:=\:-1}}}$ _____________________ $\large{\underline{\underline{\mathfrak{\green{\sf{Answer:-}}}}}}$ . Value of k = -1 ___________________

7.

If alpha and beta are multiple zeroes of 6x^2-5x-k and alpha-beta=7/6 so find the value of k

Answer»

$\large{\underline{\underline{\mathfrak{\green{\sf{QUESTION:-}}}}}}$ .

if $\alpha\:and\:\beta$ are MULTIPLE ZEROES of $\:(6x^<klux>2</klux>-5x-k)$ and $\alpha\:-\:\beta\:=\:\frac{7}{6}$ so find the value of k

$\large{\underline{\underline{\mathfrak{\green{\sf{Sulution:-}}}}}}$ .

$\large{\underline{\underline{\mathfrak{\sf{Given\:Here:-}}}}}$ .

Equation is $\:(6x^2-5x-k)\:=\:0$

$\alpha\:and\:\beta\:are\:zeros\:of\:this\:equation$

$\alpha\:-\:\beta\:=\frac{7}{6}$ ...(1)

$\large{\underline{\underline{\mathfrak{\sf{Find\:Here:-}}}}}$ .

Value of k

$\large{\underline{\underline{\mathfrak{\sf{Explanation:-}}}}}$ .

We KNOW ,

$\bold{\boxed{\boxed{\:Sum\:of\:Zeros\:=\frac{-(Coefficient\:of\:x)}{(Coefficient\:of\:x^2)}}}}$

So,

$\implies\:(\alpha\:+\beta)\:=\frac{-(-5)}{6}$

$\implies\:(\alpha\:+\beta)\:=\frac{5}{6}$ ...(2)

ADDITION of equation (1) and (2) ,

We find here,

$\implies\:2\alpha\:=\frac{7}{6}\:+\frac{5}{6}$

$\implies\:2\alpha\:=\frac{(7+5)}{6}$

$\implies\:2\alpha\:=\frac{\cancel{12}}{\cancel{6}}$

$\bold{\boxed{\boxed{\:\alpha\:=\:1}}}$

Keep value of $\alpha\:=\:1$ in (2)

we find here,

$\implies\:(1\:+\beta)\:=\frac{5}{6}$

$\implies\:(\beta)\:=\frac{5}{6}\:-\:1$

$\implies\:(\beta)\:=\frac{(5-6)}{6}$

$\bold{\boxed{\boxed{\:(\beta)\:=\frac{-1}{6}}}}$

___________________

Again, We know ,

$\bold{\boxed{\boxed{\:Product\:of\:Zeros\:=\frac{(Constant\:part)}{(Coefficient\:of\:x^2)}}}}$

$\implies\:(\alpha\times\beta)\:=\frac{(-k)}{6}$

Keep value of $\alpha\:and\:\beta$

$\implies\:(1\:\times\frac{-1}{6})\:=\frac{k}{6}$

$\implies\:\frac{k}{6}\:=\frac{-1}{6}$

$\implies\:(k)\:=\frac{\cancel{-6}}{\cancel{6}}$

$\bold{\boxed{\boxed{\:(k)\:=\:-1}}}$

_____________________

$\large{\underline{\underline{\mathfrak{\green{\sf{Answer:-}}}}}}$ .

Value of k = -1

___________________

Discussion

8.	Complete the table to make a proportional relationship between weight and price.i'm just giving you guys the answer
Answer» ANSWER: COMPLETE my FOOT.........nikal.lo**re

8.

Complete the table to make a proportional relationship between weight and price.i'm just giving you guys the answer

Answer»

ANSWER:

COMPLETE my FOOT.........nikal.lo**re

Discussion

9.	Cos6cos42cos66cos78=?
Answer» CLARK table...........

Discussion

10.	**(4) What is the degree of the determinant \| a b \| \| c d \|(a) 1 (6) 3 (c) 4 (d) 2
Answer» Answer: THUS, as a POLYNOMIAL, it has DEGREES 0 + 1 + ... + N - 1,

10.

**(4) What is the degree of the determinant | a b | | c d |(a) 1 (6) 3 (c) 4 (d) 2

Answer»

Answer:

THUS, as a POLYNOMIAL, it has DEGREES 0 + 1 + ... + N - 1,

Discussion

11.	SegXY \|\| seg BC, then which of the following statements is true question in picture
Answer» ANSWER: actually OPTION B is CORRECT but there is one mistake in it. the answer is AX/XB=AY/YC

11.

SegXY || seg BC, then which of the following statements is true question in picture

Answer»

ANSWER:

actually OPTION B is CORRECT but there is one mistake in it.

the answer is

AX/XB=AY/YC

Discussion

12.	I dont know whats happening in maths....In class 8th I got 79 in maths out off 80 and in 9th class i am really seeing bad phase..yesterday was my final exam of maths,it went bad...People are suggesting to do ONLY NCERT but questions are coming outside the book and cant achieve good marks...pls help me for class 10th
Answer» heya there, first of all before solving question, check that you have got CONCEPTS CLEAR or not, get your concept CRYSTAL clear first, then solve NCERT, then RS aggarwal is must too, and if it's not enough then RD SHARMA examples!!

12.

I dont know whats happening in maths....In class 8th I got 79 in maths out off 80 and in 9th class i am really seeing bad phase..yesterday was my final exam of maths,it went bad...People are suggesting to do ONLY NCERT but questions are coming outside the book and cant achieve good marks...pls help me for class 10th

Answer»

heya there,

first of all before solving question, check that you have got CONCEPTS CLEAR or not,

get your concept CRYSTAL clear first,

then solve NCERT, then RS aggarwal is must too,

and if it's not enough then RD SHARMA examples!!

Discussion

13.	The population of a village is 8000. Of these 40% are literate and of these literate people, 40% are women. Find the ratio of literate women to the total population.
Answer» Step-by-step EXPLANATION: TOTAL population=8000 percent of illierate people=80 percent of WOMAN illiterate=40/100×800 =3200 ratio=3200:8000 =2:5

13.

The population of a village is 8000. Of these 40% are literate and of these literate people, 40% are women. Find the ratio of literate women to the total population.

Answer»

Step-by-step EXPLANATION:

TOTAL population=8000

percent of illierate people=80

percent of WOMAN illiterate=40/100×800

=3200

ratio=3200:8000

=2:5

Discussion

14.	Write the number which is 5000 less than 349,639.
Answer» a number 5000 LESS than 349639 is 349639-5000 =344639 Hope this answer HELPS pls mark as BRAINLIEST.

14.

Write the number which is 5000 less than 349,639.

Answer»

a number 5000 LESS than 349639 is

349639-5000

=344639

Hope this answer HELPS pls mark as BRAINLIEST.

Discussion

15.	The first term of an AP is 1 and the last term is 20. Sum of all terms is 399.
Answer» sum = (a+l)×n/2 399 = (20 +1)×n÷2 (399×2)÷21= n n = 38 Hope this ANSWER helps pls mark as BRAINLIEST.

15.

The first term of an AP is 1 and the last term is 20. Sum of all terms is 399.

Answer»

sum = (a+l)×n/2

399 = (20 +1)×n÷2

(399×2)÷21= n

n = 38

Hope this ANSWER helps pls mark as BRAINLIEST.

Discussion

16.	if I scored in maths 28/80 english 75/80 kannada 74/100 social 68/80 science 42/80 Hindi 77/80 then how much percentage I got
Answer» ADD all the NUMBER scored by you 28+75+74+68+42+77 = 364 then DIVIDE the MARKS by all the subjects 364/500 the percentage of your is 72.8

16.

if I scored in maths 28/80 english 75/80 kannada 74/100 social 68/80 science 42/80 Hindi 77/80 then how much percentage I got

Answer»

ADD all the NUMBER scored by you

28+75+74+68+42+77 = 364

then DIVIDE the MARKS by all the subjects

364/500

the percentage of your is

72.8

Discussion

17.	Find the solution UI We given question TUI tie varues ou une varuwaQuestion slip Flow ChartFind the two-digit number thought by meer and the numberThe digit at the tens place is 5 less than twicethe digit at units place.The sum of the original number and the number obtained by interchanging the digits is 176Let the digit at the tens place be x and the digitat the units place be y for the number thought.Equation (1)Equation (2)Write theequationsin the formax + by=c.Solve the equations (1) and (2).and y=...The number thought= 10x + y = 10 x= ----- + - =-----Ans. The number thought is ..
Answer» Answer: TT COPY of the answer is YES then please let me KNOW if

17.

Find the solution UI We given question TUI tie varues ou une varuwaQuestion slip Flow ChartFind the two-digit number thought by meer and the numberThe digit at the tens place is 5 less than twicethe digit at units place.The sum of the original number and the number obtained by interchanging the digits is 176Let the digit at the tens place be x and the digitat the units place be y for the number thought.Equation (1)Equation (2)Write theequationsin the formax + by=c.Solve the equations (1) and (2).and y=...The number thought= 10x + y = 10 x= ----- + - =-----Ans. The number thought is ..

Answer»

Answer:

TT COPY of the answer is YES then please let me KNOW if

Discussion

18.	WORK OUT THE FOLLOWING DIVISIONS:
Answer» Answer: $= > 10y(<klux>6Y</klux> + 21) \div 5(2y + 7) \\ = > 3 \times 10y(2y + 7) \div 5(2 + 7) \\ = > \frac{30y}{5}$ (6y) is the answer. HOPE it will help you mate ❤️. MARK me brainliest.

18.

WORK OUT THE FOLLOWING DIVISIONS:

Answer»

Answer:

$= > 10y(<klux>6Y</klux> + 21) \div 5(2y + 7) \\ = > 3 \times 10y(2y + 7) \div 5(2 + 7) \\ = > \frac{30y}{5}$

(6y) is the answer.

HOPE it will help you mate ❤️.

MARK me brainliest.

Discussion

19.	Curved surface area of cylinder is 440 meter square and height is 4 cm. Find the volume.
Answer» Answer: 385154.9623 METER CUBE

19.

Curved surface area of cylinder is 440 meter square and height is 4 cm. Find the volume.

Answer»

Answer:

385154.9623 METER CUBE

Discussion

20.	If the quadrilateral ABCD is a parallelogram what value of x .angleA=3y angleB=2y-5 angleC=3x+3?
Answer» Answer: 67 Step-by-step EXPLANATION: I THIK it is 67 but I am not SURE

20.

If the quadrilateral ABCD is a parallelogram what value of x .angleA=3y angleB=2y-5 angleC=3x+3?

Answer»

Answer:

67

Step-by-step EXPLANATION:

I THIK it is 67 but I am not SURE

Discussion

21.	A crew has 9 men. 2 fifths of the crew are men, the rest are women. How many people are in the crew in total.
Answer» YAD THA PAR yad NAHI a RAHA he

Discussion

22.	The average of two numbers is K if one number is equal to M the other number is equal to
Answer» LET the two NUMBERS be m & n m+n/2=k hence n = 2k-m Hope this answer helps pls MARK as BRAINLIEST.

22.

The average of two numbers is K if one number is equal to M the other number is equal to

Answer»

LET the two NUMBERS be m & n

m+n/2=k

hence n = 2k-m

Hope this answer helps pls MARK as BRAINLIEST.

Discussion

23.	39. Weekly wages of workers in a factory are as follows:Weekly wages in ) 325-350 350-375 375 -400 400 -425 425- 450No. of workers5 I 15 I 10 I 20 I 155Find the probability that a worker selected at random earns:a) 400 or moreb) 375 or more but less than 425.b) At least 375.d) up to 400
Answer» The PROBABILITIES are 0.538,0.462,0.692,0.462 respectively. The TOTAL no of workers are 5+15+10+20+15=65 The no of workers with weekly WAGES 400 or more = 35(20+15) The no of workers with weekly wages 375 or more but less than 425 = 30(10+20) The no of workers with weekly wages at least 375 = 45 (10+20+15) The no of workers with weekly wages up to 400 = 30(5+15+10) The probability that worker earns : 400 or more = 35/65 = 0.538 375 or more but less than 425 = 30/65 = 0.462 at least 375 = 45/65 = 0.692 up to 400 = 30/65 = 30/65

23.

39. Weekly wages of workers in a factory are as follows:Weekly wages in ) 325-350 350-375 375 -400 400 -425 425- 450No. of workers5 I 15 I 10 I 20 I 155Find the probability that a worker selected at random earns:a) 400 or moreb) 375 or more but less than 425.b) At least 375.d) up to 400

Answer»

The PROBABILITIES are 0.538,0.462,0.692,0.462 respectively.

The TOTAL no of workers are 5+15+10+20+15=65
The no of workers with weekly WAGES 400 or more = 35(20+15)
The no of workers with weekly wages 375 or more but less than 425 = 30(10+20)

The no of workers with weekly wages at least 375 = 45 (10+20+15)
The no of workers with weekly wages up to 400 = 30(5+15+10)

The probability that worker earns :

400 or more = 35/65 = 0.538
375 or more but less than 425 = 30/65 = 0.462
at least 375 = 45/65 = 0.692
up to 400 = 30/65 = 30/65

Discussion

24.	If a♦b = 2a - b2 Find -4 ♦ -3 =
Answer» Answer: ur answer is above Step-by-step EXPLANATION: hope it helps... please MARK me as a brainliest...I NEED it

24.

If a♦b = 2a - b2 Find -4 ♦ -3 =

Answer»

Answer:

ur answer is above

Step-by-step EXPLANATION:

hope it helps... please MARK me as a brainliest...I NEED it

Discussion

25.	60. Study the Pyramid carefully110446D679 16814 31 \| 2651198263What are the values or E and D?(1) D= 1345: E = 2440:(2) D=1354 E - 2620:(3) D=154B: B = 2460:(4) None of these
Answer» ANSWER: D=154B:B=2460 so i HOPE you UNDERSTAND the answer by yourself

25.

60. Study the Pyramid carefully110446D679 16814 31 | 2651198263What are the values or E and D?(1) D= 1345: E = 2440:(2) D=1354 E - 2620:(3) D=154B: B = 2460:(4) None of these

Answer»

ANSWER:

D=154B:B=2460 so i HOPE you UNDERSTAND the answer by yourself

Discussion

26.	46800 Hourg-nuur each marked 10 kg actually contained the following weights of flour (in kg)10.1, 10.2.9.9, 9.8, 10.0, 10.3, 9.8, 9.5, 10.0, 10.4.Find the probability that any of these bags chosen at random containsi) Less than 10 kg of flourii) exactly 10 kg of flour.ORThree coins are tossed simultaneously 200 times with the following frequencies of differentoutcomes:Outcomes3 tails2 tails1 tailFrequencies2382Find the probability of getting:i) At least one tailii) At most one tail.No tail3758T63G+ 3 (2+5)4+253 +253 +3.7+453
Answer» ANSWER: SORRY Step-by-step EXPLANATION: i don't KNOW PLEASE please

26.

46800 Hourg-nuur each marked 10 kg actually contained the following weights of flour (in kg)10.1, 10.2.9.9, 9.8, 10.0, 10.3, 9.8, 9.5, 10.0, 10.4.Find the probability that any of these bags chosen at random containsi) Less than 10 kg of flourii) exactly 10 kg of flour.ORThree coins are tossed simultaneously 200 times with the following frequencies of differentoutcomes:Outcomes3 tails2 tails1 tailFrequencies2382Find the probability of getting:i) At least one tailii) At most one tail.No tail3758T63G+ 3 (2+5)4+253 +253 +3.7+453

Answer»

ANSWER:

SORRY

Step-by-step EXPLANATION:

i don't KNOW PLEASE please

Discussion

27.	The diffrence between two numbers is 8 and the quotient is 2
Answer» Step-by-step explanation: Hence ONE NUMBER is 8 and second number is 16.

27.

The diffrence between two numbers is 8 and the quotient is 2

Answer»

Step-by-step explanation:

Hence ONE NUMBER is 8 and second number is 16.

Discussion

28.	Heyy can someone please answer this? It’s kinda urgent.. thankyou x
Answer» 1244265&__&+54&542$_ and am not LOOK PROPERLY so I can not help you like

Discussion

29.	ABC is a triangle in which the altitudes BE and CF are equal.show that (i) Triangle BFC = Triangle CER(ii)AB = AC
Answer» ANSWER: MARK ME AS BRAINLIST

29.

ABC is a triangle in which the altitudes BE and CF are equal.show that (i) Triangle BFC = Triangle CER(ii)AB = AC

Answer»

ANSWER:

MARK ME AS BRAINLIST

Discussion

30.	If he makes 4ornaments in 15min .cost of each ornament is $1.15.what is the amount of money he'll get for 3 hoursHere we first convert 3hrs=180minNo.of ornaments he makes in 3hrs"180/15X4" so here in this step why are we dividing 180with 15??
Answer» ANSWER: ornaments in 15 MIN = 4 ornaments in 1 HR= 16 ornaments in 3 hr=48 money for 1 ornament = 1.15 money for 48 ornaments= 1.15*48

30.

If he makes 4ornaments in 15min .cost of each ornament is $1.15.what is the amount of money he'll get for 3 hoursHere we first convert 3hrs=180minNo.of ornaments he makes in 3hrs"180/15X4" so here in this step why are we dividing 180with 15??

Answer»

ANSWER:

ornaments in 15 MIN = 4

ornaments in 1 HR= 16

ornaments in 3 hr=48

money for 1 ornament = 1.15

money for 48 ornaments= 1.15*48

Discussion

31.	4. A card is drawn at random from a pack of well-shuffledacards. What is the probability that the card drawn is in(ii) a black card? (iii) not a face card?
Answer» <P>ANSWER: P(GETTING a BLACK card)= TOTAL black cards/ total cards i.e =26/52 P(not a fsce card)= total no. of cards - no. of fsce cards/ total cards i.e= 52-12/52 40/52

31.

4. A card is drawn at random from a pack of well-shuffledacards. What is the probability that the card drawn is in(ii) a black card? (iii) not a face card?

Answer»

<P>ANSWER:

P(GETTING a BLACK card)= TOTAL black cards/ total cards

i.e =26/52

P(not a fsce card)= total no. of cards - no. of fsce cards/ total cards

i.e= 52-12/52

40/52

Discussion

32.	Explain the concept of curvature for 7marks
Answer» curvature of a SPHERICAL MIRROR: centre of the SPHERE of which the mirror forms a part is KNOWN as centre of curvature.

32.

Explain the concept of curvature for 7marks

Answer»

curvature of a SPHERICAL MIRROR:

centre of the SPHERE of which the mirror forms a part is KNOWN as centre of curvature.

Discussion

33.	What is the value of secant 60°?
Answer» ANSWER: I don't KNOW about SECANT 60 but SEC 60 is 1/2. brainleist my answer

33.

What is the value of secant 60°?

Answer»

ANSWER:

I don't KNOW about SECANT 60 but SEC 60 is 1/2.

brainleist my answer

Discussion

34.	Please answer this need urgent!!!!!!!
Answer» ANSWER: Step-by-step EXPLANATION: Here is your ANS

34.

Please answer this need urgent!!!!!!!

Answer»

ANSWER:

Step-by-step EXPLANATION:

Here is your ANS

Discussion

35.	X+1Find the sum ofFind the sum of **) and $72and+1x + 2r
Answer» Step-by-step EXPLANATION: SEND me the IMAGE of the QUESTION BRO

35.

X+1Find the sum ofFind the sum of **) and $72and+1x + 2r

Answer»

Step-by-step EXPLANATION:

SEND me the IMAGE of the QUESTION BRO

Discussion

36.	Explain the concept of curvature
Answer» ANSWER: the ACT of curving : the state of being curved. a measure or amount of curving SPECIFICALLY : the rate of change of the ANGLE through which the tangent to a curve turns in moving along the curve and which for a circle is equal to the reciprocal of the RADIUS.

36.

Explain the concept of curvature

Answer»

ANSWER:

the ACT of curving : the state of being curved.

a measure or amount of curving SPECIFICALLY : the rate of change of the ANGLE through which the tangent to a curve turns in moving along the curve and which for a circle is equal to the reciprocal of the RADIUS.

Discussion

37.	Solution to question 6 please
Answer» MERE MATH exam kathma HO GAYA parso 28 ko science he follow me please I will follow you

37.

Solution to question 6 please

Answer»

MERE MATH exam kathma HO GAYA

parso 28 ko science he

follow me please I will follow you

Discussion

38.	If two triangles are equiangular the corresponding sides are proportional
Answer» ANSWER: BHAI QUESTION KYA he?????????????

38.

If two triangles are equiangular the corresponding sides are proportional

Answer»

ANSWER:

BHAI QUESTION KYA he?????????????

Discussion

39.	If 3,x,y,18 are ap .find the value of x and y
Answer» Solution : 3,X,y and 18 are in AP To finD Values of x and y Common Difference would be the same Now, 18 - y = y - x 》 x - 2y = - 18.............(1) Also y - x = x - 3 》 2x - y = - 3............(2) Multiplying EQUATION (2) by 2, 》 4x - 2y = - 6...........(3) SUBTRACTING equations (1) and (3), 》3x = 24 》 x = 8 Putting x = - 8 in (1), 》 2y = 26 》 y = 13 The sequence would be 3,8,13 and 18

39.

If 3,x,y,18 are ap .find the value of x and y

Answer»

Solution :

3,X,y and 18 are in AP

To finD

Values of x and y

Common Difference would be the same

Now,

18 - y = y - x

》 x - 2y = - 18.............(1)

Also

y - x = x - 3

》 2x - y = - 3............(2)

Multiplying EQUATION (2) by 2,

》 4x - 2y = - 6...........(3)

SUBTRACTING equations (1) and (3),

》3x = 24

》 x = 8

Putting x = - 8 in (1),

》 2y = 26

》 y = 13

The sequence would be 3,8,13 and 18

Discussion

40.	A sheet of tin have a length of 4.40m and width 1.16m. It was made into cylindrical tins closed on both the sides of height 20cm and radius 7cm. While making each tin 88cm2 sheet was wasted, then how many tins can be made from that sheet
Answer» has also SAID the POINTS will you have done in the surrounding AREA and then you can THOUGHT by me

Discussion

41.	How to draw xcosa-ysina = k line with angle.
Answer» Answer: USE your HANDS and GOEMETRY box Step-by-step explanation: use your to hold goemetry items and MAKE the graph

41.

How to draw xcosa-ysina = k line with angle.

Answer»

Answer:

USE your HANDS and GOEMETRY box

Step-by-step explanation:

use your to hold goemetry items and MAKE the graph

Discussion

42.	the curved surface area of a cylinder is 8800 square meter and height 10m. find the volume of cylinder
Answer» Answer: i hope this HELPS you Step-by-step EXPLANATION: PLEASE mark as brainliest

42.

the curved surface area of a cylinder is 8800 square meter and height 10m. find the volume of cylinder

Answer»

Answer:

i hope this HELPS you

Step-by-step EXPLANATION:

PLEASE mark as brainliest

Discussion

43.	A cuboid wooden box value is 1300₹. The woodencosts 25₹ per metre. Its length is 4m, Breadth is 3m. Find its height??
Answer» Answer: Given, LENGTH of Wooden box= 4m Breadth of Wooden box= 3m Total cost of Wooden box(T)=₹1300 RATE of wood(R)= ₹25 per metre Wood used=Surface AREA= T/R=52 sq m Also, Surface area of box = 2(lb+bh+hl) 52=2(4×3+3h+4h) 52=2(12+7h) 26=12+7h 14=7h h= 2m This is the best POSSIBLE answer Hope you have understood Mark it brainliest $\huge{\boxed{\mathfrak\green{\fcolorbox{red}{blue}{Thank\:You}}}}$

43.

A cuboid wooden box value is 1300₹. The woodencosts 25₹ per metre. Its length is 4m, Breadth is 3m. Find its height??

Answer»

Answer:

Given,

LENGTH of Wooden box= 4m

Breadth of Wooden box= 3m

Total cost of Wooden box(T)=₹1300

RATE of wood(R)= ₹25 per metre

Wood used=Surface AREA= T/R=52 sq m

Also, Surface area of box = 2(lb+bh+hl)

52=2(4×3+3h+4h)

52=2(12+7h)

26=12+7h

14=7h

h= 2m

This is the best POSSIBLE answer

Hope you have understood

Mark it brainliest

$\huge{\boxed{\mathfrak\green{\fcolorbox{red}{blue}{Thank\:You}}}}$

Discussion

44.	Find the amount and simple interest on a sumof 8000 at a rate of 9% p.a. for a time periodof 5 months
Answer» Step-by-step EXPLANATION: your Simple Interest is RS.300(TIME is in MONTHS convert into YEARS) and Amount is RS.8300

44.

Find the amount and simple interest on a sumof 8000 at a rate of 9% p.a. for a time periodof 5 months

Answer»

Step-by-step EXPLANATION:

your Simple Interest is RS.300(TIME is in MONTHS convert into YEARS)

and Amount is RS.8300

Discussion

45.	A pet musing 8 by 5 by 3 metre
Answer» Step-by-step EXPLANATION: ITS INCOMPLETE QUESTION

45.

A pet musing 8 by 5 by 3 metre

Answer»

Step-by-step EXPLANATION:

ITS INCOMPLETE QUESTION

Discussion

46.	बच्चा दौड़ता हैं (भाववाच्य में बदलिए)क्या इस क्या जवाब हम यह लेख सकते हैं 1.बच्चे से दौड़ा नही जाता।2.बच्चे से दौड़ा जाता हैं।क्या ये दोनों सही ह या एक सही ह कौनसा सही ह आप बताइए
Answer» ANSWER: SECOND ONE is CORRECT

46.

बच्चा दौड़ता हैं (भाववाच्य में बदलिए)क्या इस क्या जवाब हम यह लेख सकते हैं 1.बच्चे से दौड़ा नही जाता।2.बच्चे से दौड़ा जाता हैं।क्या ये दोनों सही ह या एक सही ह कौनसा सही ह आप बताइए

Answer»

ANSWER:

SECOND ONE is CORRECT

Discussion

47.	Findtheratio of : 3 m to 30cm.
Answer» RATIO of 3M to 30 cm will be 300:30 = 10:1 Hope this answer helps plz mark as BRAINLIEST.

47.

Findtheratio of : 3 m to 30cm.

Answer»

RATIO of 3M to 30 cm will be

300:30 = 10:1

Hope this answer helps plz mark as BRAINLIEST.

Discussion

48.	A wooden box who's value is 1300₹ is fine wood cost is 25₹/m . length of the box is 4m and breath is 3m find its height
Answer» ❏ CORRECT Question:- @ A wooden box who's value is 1300₹ is fine wood cost is 25₹/m² . length of the box is 4m and BREATH is 3m FIND its height ❏ Solution:- $\setlength{\unitlength}{0.74 cm}\begin{picture}(12,4)\thicklines\put(5.6,5.6){$A$}\put(11.1,5.8){$B$}\put(11.08,8.9){$C$}\put(5.46,8.7){$D$}\put(3.55,10.15){$E$}\put(3.55,7.15){$F$}\put(9.14,10.235){$H$}\put(9.14,7.3){$G$}\put(3.3,6.3){$3\:m$}\put(7.75,6.<klux>2</klux>){$4\:m$}\put(11.1,7.5){$h\:m$}\put(6,6){\line(1,0){5}}\put(6,9){\line(1,0){5}}\put(11,9){\line(0,-1){3}}\put(6,6){\line(0,1){3}}\put(4,7.3){\line(1,0){5}}\put(4,10.3){\line(1,0){5}}\put(9,10.3){\line(0,-1){3}}\put(4,7.3){\line(0,1){3}}\put(6,6){\line(-3,2){2}}\put(6,9){\line(-3,2){2}}\put(11,9){\line(-3,2){2}}\put(11,6){\line(-3,2){2}}\end{picture}$ Now , according to the question The wooden box is cost 1300 Rs at 25 Rs/m². Therefore, Total Surface area of the wooden box is , = $\dfrac{1300}{25}\:Rs$ = 52 m². Now, we know that total surface area of a cuboid is , $\sf\implies T.S.A.=2(lb+bh+hl)$ where, T.S.A.=Total Surface area . l = length, b= breadth, h = height, Hence, $\sf\implies 52=2(4\times3+3\times h+h\times4)$ $\sf\implies \dfrac{\cancel{52}}{\cancel2}=12+3 h+4h$ $\sf\implies 26-12=3 h+4h$ $\sf\implies 14=7h$ $\sf\implies \dfrac{\cancel{14}}{\cancel7}=h$ $\sf\implies \boxed{\large{\red{h=2\:m}}}$ Hence , *Height of the Wooden Box was 2 METRE*.

48.

A wooden box who's value is 1300₹ is fine wood cost is 25₹/m . length of the box is 4m and breath is 3m find its height

Answer»

❏ CORRECT Question:-

@ A wooden box who's value is 1300₹ is fine wood cost is 25₹/m² . length of the box is 4m and BREATH is 3m FIND its height

❏ Solution:-

$\setlength{\unitlength}{0.74 cm}\begin{picture}(12,4)\thicklines\put(5.6,5.6){$A$}\put(11.1,5.8){$B$}\put(11.08,8.9){$C$}\put(5.46,8.7){$D$}\put(3.55,10.15){$E$}\put(3.55,7.15){$F$}\put(9.14,10.235){$H$}\put(9.14,7.3){$G$}\put(3.3,6.3){$3\:m$}\put(7.75,6.<klux>2</klux>){$4\:m$}\put(11.1,7.5){$h\:m$}\put(6,6){\line(1,0){5}}\put(6,9){\line(1,0){5}}\put(11,9){\line(0,-1){3}}\put(6,6){\line(0,1){3}}\put(4,7.3){\line(1,0){5}}\put(4,10.3){\line(1,0){5}}\put(9,10.3){\line(0,-1){3}}\put(4,7.3){\line(0,1){3}}\put(6,6){\line(-3,2){2}}\put(6,9){\line(-3,2){2}}\put(11,9){\line(-3,2){2}}\put(11,6){\line(-3,2){2}}\end{picture}$

Now , according to the question The wooden box is cost 1300 Rs at 25 Rs/m².

Therefore, Total Surface area of the wooden box is , = $\dfrac{1300}{25}\:Rs$ = 52 m².

Now, we know that total surface area of a cuboid is ,

$\sf\implies T.S.A.=2(lb+bh+hl)$

where,

T.S.A.=Total Surface area .

l = length,

b= breadth,

h = height,

Hence,

$\sf\implies 52=2(4\times3+3\times h+h\times4)$

$\sf\implies \dfrac{\cancel{52}}{\cancel2}=12+3 h+4h$

$\sf\implies 26-12=3 h+4h$

$\sf\implies 14=7h$

$\sf\implies \dfrac{\cancel{14}}{\cancel7}=h$

$\sf\implies \boxed{\large{\red{h=2\:m}}}$

Hence , Height of the Wooden Box was 2 METRE.

Discussion

49.	In the figure, BL and CM are the medians of ABC, right angled at A. Prove that 4(BL2+ CM2) = 5 BC2. (refer the figure) guys please answer about this question I don't know how to solve this question so please answer this and those who will answer this in 5 minutes he or she will be counted by me as a brainliest
Answer» in TRINGLE BLA by Pythagoras theorem AB2 +AL2=BL2 butAL=1/2 AC AB2+(1/2AC)2=BL2 AB2+1/4AC2=BL2 multipleying both of side by 4 we get 4AB2+AC 2=4BL2 ....(1) now in tringle MAC by Pythagoras theorem AC2 + AM2=CM2 but AM =1/2AB AC2 +(1/2AB)=CM2 AC2 + 1/4 AB =CM2 multipleying both side by 4 we get 4AC2+AB2=4CM2.....(2) ADDING 1 and 2 4AB2 +AC2=4BL2 4AC2 +AB2=4CM2 4(CM2+BL2)=AB2 + AC2+ 4AB2 +4AC2 but AB2 +AC2=BC2 therefore 4(BL2 +CM2)= BC2 + 4BC2 hence 4(BL2 +CM2)=5BC2 please mark me as a brainlist

49.

In the figure, BL and CM are the medians of ABC, right angled at A. Prove that 4(BL2+ CM2) = 5 BC2. (refer the figure) guys please answer about this question I don't know how to solve this question so please answer this and those who will answer this in 5 minutes he or she will be counted by me as a brainliest

Answer»

in TRINGLE BLA by Pythagoras theorem

AB2 +AL2=BL2

butAL=1/2 AC

AB2+(1/2AC)2=BL2

AB2+1/4AC2=BL2

multipleying both of side by 4 we get

4AB2+AC 2=4BL2 ....(1)

now in tringle MAC by Pythagoras theorem

AC2 + AM2=CM2

but AM =1/2AB

AC2 +(1/2AB)=CM2

AC2 + 1/4 AB =CM2

multipleying both side by 4 we get

4AC2+AB2=4CM2.....(2)

ADDING 1 and 2

4AB2 +AC2=4BL2

4AC2 +AB2=4CM2

4(CM2+BL2)=AB2 + AC2+ 4AB2 +4AC2

but AB2 +AC2=BC2

therefore 4(BL2 +CM2)= BC2 + 4BC2

hence 4(BL2 +CM2)=5BC2

please mark me as a brainlist

Discussion

50.	Find the area of rhombus DEFG in DE is 13 cm and EG is 10 cm
Answer» Answer: AREA if RHOMBUS = 1/2×d1×d2 .. 1/2×13×10= 65 .... hope it HELPS..

50.

Find the area of rhombus DEFG in DE is 13 cm and EG is 10 cm

Answer»

Answer:

AREA if RHOMBUS = 1/2×d1×d2 ..

1/2×13×10= 65 .... hope it HELPS..

Discussion

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❏ CORRECT Question:-

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