332354 + Interview Questions in Secondary School in Math

1.	0...... -3/-8(,=)
Answer» hey mate here is UR answer 0 < -3/-8 as -3/-8=3/8 which is bigger than 0. hope it helps ☆☆☆

1.

0...... -3/-8(,=)

Answer»

hey mate here is UR answer

0 < -3/-8

as -3/-8=3/8 which is bigger than 0.

hope it helps

☆☆☆

Discussion

2.	2(sin^6 thita + cos ^6thita)-3(sin^4thita + cos^4thita prove the identity
Answer» ANSWER: here is your answer PLEASE FOLLOW me and LIKE my answer

2.

2(sin^6 thita + cos ^6thita)-3(sin^4thita + cos^4thita prove the identity

Answer»

ANSWER:

here is your answer PLEASE FOLLOW me and LIKE my answer

Discussion

3.	Number name of 115 2583 in in international system
Answer» Answer: The number name of 1,152,583 in international system is :- one million one hundred fifty two thousand five hundred eighty three. Step-by-step explanation: Hope it helps you.......❤ please mark it as brainliest........✌

3.

Number name of 115 2583 in in international system

Answer»

Answer:

The number name of 1,152,583 in international system is :-

one million one hundred fifty two thousand five hundred eighty three.

Step-by-step explanation:

Hope it helps you.......❤

please mark it as brainliest........✌

Discussion

4.	Decimals question 2 25/100
Answer» ANSWER: 2.25 Step-by-step EXPLANATION: PLEASE MARK it as BRAINLEST answer.

4.

Decimals question 2 25/100

Answer»

ANSWER:

2.25

Step-by-step EXPLANATION:

PLEASE MARK it as BRAINLEST answer.

Discussion

5.	Conven and find outA car consumes fuel at the rate of one gallon for a travelof 40 miles.The same car travels a distance of 120 kilometer. whatis the consumption of fuel in litres
Answer» Answer: The price of GAS may go up or down, but it's always a major expense for most drivers. The AVERAGE American driver SPENDS about $3,000 PER year for gas, according to the American Automobile Association. Some of the practical ways to reduce fuel COST are listed below

5.

Conven and find outA car consumes fuel at the rate of one gallon for a travelof 40 miles.The same car travels a distance of 120 kilometer. whatis the consumption of fuel in litres

Answer»

Answer:

The price of GAS may go up or down, but it's always a major expense for most drivers. The AVERAGE American driver SPENDS about $3,000 PER year for gas, according to the American Automobile Association. Some of the practical ways to reduce fuel COST are listed below

Discussion

6.	Use euclid's division algorithm to find the H.C.F of 135and225
Answer» ANSWER: Your answer is in the picture Step-by-step EXPLANATION: I HOPE it will HELP you MATE!

6.

Use euclid's division algorithm to find the H.C.F of 135and225

Answer»

ANSWER:

Your answer is in the picture

Step-by-step EXPLANATION:

I HOPE it will HELP you MATE!

Discussion

7.	In a circle of radius 12 cm, a chord subtends an angle of 120° at the centre. Find thearea of the corresponding minor segment of the circle (use π =3.14 and 13 = 1.732)
Answer» EXPERT Answer: DRAW OM AB in figure (RHS congruence) AOM=BOM BOM = (cpct) In OMA cos 60o = OM = 6 cm and sin 60o = AM = 6 cm ar AOB = AB OM = AM OM = 36 cm2 AREA of segment AXB = area of sector OAXB - ar AOB = 3.14 12 12 - 36 = (150.72 - 36) cm2 = 88.36 cm2

7.

In a circle of radius 12 cm, a chord subtends an angle of 120° at the centre. Find thearea of the corresponding minor segment of the circle (use π =3.14 and 13 = 1.732)

Answer»

EXPERT Answer:

DRAW OM AB in figure

(RHS congruence)

AOM=BOM

BOM = (cpct)

In OMA

cos 60o =

OM = 6 cm

and sin 60o =

AM = 6 cm

ar AOB = AB OM = AM OM = 36 cm2

AREA of segment AXB

= area of sector OAXB - ar AOB

= 3.14 12 12 - 36

= (150.72 - 36) cm2

= 88.36 cm2

Discussion

8.	Exp Express 12.28 in theform of plq
Answer» Answer: 307/25 Step-by-step explanation: 12.28= 1228/100 = 614/50 = 307/25 *Hope* it *HELPS* *you*.

8.

Exp Express 12.28 in theform of plq

Answer»

Answer:

307/25

Step-by-step explanation:

12.28= 1228/100

= 614/50

= 307/25

Hope it HELPS you.

Discussion

9.	Solve this coding pls fast
Answer» Answer: The code for the word "WOULD" is WRITTEN as *"sob"* Step-by-step explanation: *PLEASE SELECT* *MY ANSWER* *AS THE* *BRAINLIEST ANSWER*.

9.

Solve this coding pls fast

Answer»

Answer:

The code for the word "WOULD" is WRITTEN as "sob"

Step-by-step explanation:

PLEASE SELECT MY ANSWER AS THE BRAINLIEST ANSWER.

Discussion

10.	Why Indian Ocean is named after india
Answer» The INDIAN OCEAN is named after India because: India holds a central location which is at the HEAD of the Indian Ocean. India in ancient TIMES was an important location in the Indian Ocean which connected Europe with COUNTRIES of Southeast Asia

Discussion

11.	A shopkeeper allows 25% discount on the marked price of his article and still makes a profit of 32%. if his gain over the sale of article is rs 600, find the marked price of the article.please help me with my assignment.
Answer» ANSWER: PROFIT= 32%=RS. 600 so, COST price =600/32100=Rs.1875 and sales price = 600 + 1875=2475 Rs discount= 25% of marked price so sales price =[100-25]%=75% of marked price marked price = 2475/75100 marked price= 3300 I hope it helps you mate!!!!!

11.

A shopkeeper allows 25% discount on the marked price of his article and still makes a profit of 32%. if his gain over the sale of article is rs 600, find the marked price of the article.please help me with my assignment.

Answer»

ANSWER:

PROFIT= 32%=RS. 600

so, COST price =600/32*100=Rs.1875

and sales price = 600 + 1875=2475 Rs

discount= 25% of marked price

so sales price =[100-25]%=75% of marked price

marked price = 2475/75*100

marked price= 3300

I hope it helps you mate!!!!!

Discussion

12.	Rationalize the denominator of the following fraction 1 /³√7+√3
Answer» ANSWER: PLZ MARK my ANS as BRAINLIEST plz

12.

Rationalize the denominator of the following fraction 1 /³√7+√3

Answer»

ANSWER:

PLZ MARK my ANS as BRAINLIEST plz

Discussion

13.	The value of squareroot of (3 to the power -2) is:
Answer» ANSWER: -6. Step-by-step EXPLANATION:

13.

The value of squareroot of (3 to the power -2) is:

Answer»

ANSWER:

-6.

Step-by-step EXPLANATION:

Discussion

14.	1. Which of the following Rational Number is Greater-7 or 013
Answer» Answer: 13 Step-by-step explanation: -7 is less than 13 and 0 is ALSO less than 13

14.

1. Which of the following Rational Number is Greater-7 or 013

Answer»

Answer:

13

Step-by-step explanation:

-7 is less than 13

and 0 is ALSO less than 13

Discussion

15.	How to calculate area of square
Answer» Answer: area of a SQUARE is side2 Step-by-step EXPLANATION: please MAKE me the BRAINLIEST and pls FOLLOW me

15.

How to calculate area of square

Answer»

Answer:

area of a SQUARE is side2

Step-by-step EXPLANATION:

please MAKE me the BRAINLIEST and pls FOLLOW me

Discussion

16.	Find a rational numbers between 1 and 100
Answer» Answer: 2/1 is a RATIONAL NUMBER a rational number is FORM of p/q

16.

Find a rational numbers between 1 and 100

Answer»

Answer:

2/1 is a RATIONAL NUMBER

a rational number is FORM of p/q

Discussion

17.	एक चौथाई वृत्त में एक वर्ग इस प्रकार बनायागया है कि उसकी त्रिज्या पर स्थित दो संलग्न( शीर्ष केंद्र से समान दूरी पर है तथा दो अन्य शीर्षकेंद्र से समान दूरी पर है तथा दो अन्य शीर्ष(परिधि पर स्थित है। यदि वर्ग की भुजा (5/
Answer» ANSWER: PLEASE WRITE it in ENGLISH...........

17.

एक चौथाई वृत्त में एक वर्ग इस प्रकार बनायागया है कि उसकी त्रिज्या पर स्थित दो संलग्न( शीर्ष केंद्र से समान दूरी पर है तथा दो अन्य शीर्षकेंद्र से समान दूरी पर है तथा दो अन्य शीर्ष(परिधि पर स्थित है। यदि वर्ग की भुजा (5/

Answer»

ANSWER:

PLEASE WRITE it in ENGLISH...........

Discussion

18.	Subtract fractions 10 simplify the answer if needed for Win 7 - 2 by 7 is equal to 1 by 7
Answer» Answer: 7-2/7=5/7 is CORRECT 1/7 is WRONG

18.

Subtract fractions 10 simplify the answer if needed for Win 7 - 2 by 7 is equal to 1 by 7

Answer»

Answer:

7-2/7=5/7 is CORRECT 1/7 is WRONG

Discussion

19.	Q+. Determine the nature of roots of thefollowing Quadratic equation1) - 2x²-4x+3=02) x ² + lox+39=03) k^2x^2 + kx+1=04)2x² + x -1 = 0
Answer» Step-by-step explanation: We've to use the formula in each part:- D=(b)^2 -4ac (1) D= b^ -4ac $= { - 4}^{2} - 4 \times ( - 2) \times <klux>3</klux>$ $= 16 + 24$ $= 40$ 'cause D>0 Therefore, *The* *ROOTS're* *real* *an'* *UNEQUAL* (2) D=b^2 - 4AC = 10^2 -4139 = 100-156 = -56 '*cause* D<0 *Therefore* *the* *roots* *are* *not* *real* (3(K^2)(x^2) +kx +1 =0 D = k^2 -4* k^2* 1 = k^2 -4(k^2) = -3ksq. 'cause D<0 therefore, the roots are not *real.* (4) D= 1^2 -4(2)(-1) = 1+8 = 9 'cause D>0 therefore, *The* *roots* *are* *real* *and* *unequal*.

19.

Q+. Determine the nature of roots of thefollowing Quadratic equation1) - 2x²-4x+3=02) x ² + lox+39=03) k^2x^2 + kx+1=04)2x² + x -1 = 0

Answer»

Step-by-step explanation:

We've to use the formula in each part:-

D=(b)^2 -4ac

(1) D= b^ -4ac

$= { - 4}^{2} - 4 \times ( - 2) \times <klux>3</klux>$

$= 16 + 24$

$= 40$

'cause D>0

Therefore, The ROOTS're real an' UNEQUAL

(2) D=b^2 - 4AC

= 10^2 -4*1*39

= 100-156

= -56

'cause D<0

Therefore

the roots are not real

(3(K^2)(x^2) +kx +1 =0

D = k^2 -4* k^2* 1

= k^2 -4(k^2)

= -3ksq.

'cause D<0

therefore,

the roots are not real.

(4)

D= 1^2 -4*(2)*(-1)

= 1+8

= 9

'cause D>0

therefore,

The roots are real and unequal.

Discussion

20.	Workshe1. Using appropriate properties find-1
Answer» Answer: 29-8)(;_478;'_577((

20.

Workshe1. Using appropriate properties find-1

Answer»

Answer:

29-8)(;_478;'_577((

Discussion

21.	Step by step lcm of this number.(a) 632(b) 7225(c) 1458(d) 441(e) 729(f) 2048(g) 1024(h) 12321
Answer» should i GIVE LCM of all the SUMS

Discussion

22.	Decimals question 14/100
Answer» ANS is 0.14 hope it WORKS...... PLS MARK as BRAINLIST......... pls.....

22.

Decimals question 14/100

Answer»

ANS is 0.14

hope it WORKS......

PLS MARK as BRAINLIST.........

pls.....

Discussion

23.	If anyone answer these questions I will mark them as brainliest
Answer» ANSWER: HOPE this HELPS you.Mark me as BRAINLIEST

23.

If anyone answer these questions I will mark them as brainliest

Answer»

ANSWER:

HOPE this HELPS you.Mark me as BRAINLIEST

Discussion

24.	2/5=32/3125 find the value of
Answer» Answer: HI FRIEND.....!!! Here is your answer...!!! HOPE it helps uhh.... :-) TQ.... ^_^

24.

2/5=32/3125 find the value of

Answer»

Answer:

HI FRIEND.....!!!

Here is your answer...!!!

HOPE it helps uhh.... :-)

TQ.... ^_^

Discussion

25.	3. What percent of 0.0144 is 0.0108?
Answer» HEY mate here is ur answer 0.0108/0.0144 ×100 =75%. HOPE it helps. ☆☆☆

25.

3. What percent of 0.0144 is 0.0108?

Answer»

HEY mate here is ur answer

0.0108/0.0144 ×100 =75%.

HOPE it helps.

☆☆☆

Discussion

26.	Show that polynomial x^2-2x+5 has no real zeroes
Answer» $x^2-2x+5\\a=1\\b=-2\\c=5\\D=b^2-4ac\\D=(-2)^2-415\\D=4-20\\D=-16$ We know that if DISCRIMINANT is SMALLER than zero then the quadratic equation have no REAL roots.

26.

Show that polynomial x^2-2x+5 has no real zeroes

Answer»

$x^2-2x+5\\a=1\\b=-2\\c=5\\D=b^2-4ac\\D=(-2)^2-4*1*5\\D=4-20\\D=-16$

We know that if DISCRIMINANT is SMALLER than zero then the quadratic equation have no REAL roots.

Discussion

27.	The value of square root of (3-2) is:
Answer» Step-by-step EXPLANATION: the ANSWER is+1 or -1 pls MARK it BRAINLIEST

27.

The value of square root of (3-2) is:

Answer»

Step-by-step EXPLANATION:

the ANSWER is+1 or -1

pls MARK it BRAINLIEST

Discussion

28.	If x square + 1/x square=47, find the value of x+1/x
Answer» Answer: 7 Step-by-step EXPLANATION: ${x}^{2} + { \frac{1}{ {x}^{2} } } = 47 \\ since \: {(x + \frac{1}{x}) }^{2} = {x}^{2} + \frac{1}{ {x}^{2} } + 2 \\ = > {(x + \frac{1}{x}) }^{2} = 47 + 2 \\ = > {(x + \frac{1}{x}) }^{2} = 49 \\ = > x + \frac{1}{x} = \sqrt{49} \\ = > x + \frac{1}{x} = 7$

28.

If x square + 1/x square=47, find the value of x+1/x

Answer»

Answer:

7

Step-by-step EXPLANATION:

${x}^{2} + { \frac{1}{ {x}^{2} } } = 47 \\ since \: {(x + \frac{1}{x}) }^{2} = {x}^{2} + \frac{1}{ {x}^{2} } + 2 \\ = > {(x + \frac{1}{x}) }^{2} = 47 + 2 \\ = > {(x + \frac{1}{x}) }^{2} = 49 \\ = > x + \frac{1}{x} = \sqrt{49} \\ = > x + \frac{1}{x} = 7$

Discussion

29.	Last year Mr Sonu waited 35 kg this year she wakes 2/5more how much does Mr Sonu weights this year
Answer» ANSWER: 35.4 KG PLEASE MARK this answer as BRAINLIEST answer

29.

Last year Mr Sonu waited 35 kg this year she wakes 2/5more how much does Mr Sonu weights this year

Answer»

ANSWER:

35.4 KG PLEASE MARK this answer as BRAINLIEST answer

Discussion

30.	Rationalise the denominator of 1/√5-2
Answer» $\frac{1}{ \sqrt{5} - 2}$ $\frac{1}{ \sqrt{5} - 2} \times \frac{ \sqrt{5} + 2}{ \sqrt{5} + 2 }$ $\frac{ \sqrt{5} + 2 }{5 - 4}$ $\frac{ \sqrt{5} + 2}{1}$

30.

Rationalise the denominator of 1/√5-2

Answer»

$\frac{1}{ \sqrt{5} - 2}$

$\frac{1}{ \sqrt{5} - 2} \times \frac{ \sqrt{5} + 2}{ \sqrt{5} + 2 }$

$\frac{ \sqrt{5} + 2 }{5 - 4}$

$\frac{ \sqrt{5} + 2}{1}$

Discussion

31.	a man walks at the speed of 21/3 km/hr for 2 hours and then at the speed of 11/2 km/ hr for next 2 hours find the distance travelled by the man in 4 hours
Answer» ANSWER: Step-by-step EXPLANATION: DISTANCE travelled=spedtime d=(2(1/3))2+(1(1/2))*2 =(14/3)+(6/2) =14/3+3 =14+9)/3=23/3

31.

a man walks at the speed of 21/3 km/hr for 2 hours and then at the speed of 11/2 km/ hr for next 2 hours find the distance travelled by the man in 4 hours

Answer»

ANSWER:

Step-by-step EXPLANATION:

DISTANCE travelled=sped*time

d=(2(1/3))*2+(1(1/2))*2

=(14/3)+(6/2)

=14/3+3

=14+9)/3=23/3

Discussion

32.	Find a rational numbers between 3 and 4
Answer» Answer: A rational NUMBER between 3 and 4 is 1/2 (3 + 4) = 7/2. HENCE, 13/4, 7/2 and 15/4 are the three rational NUMBERS lying between 3 and 4. Step-by-step explanation:

32.

Find a rational numbers between 3 and 4

Answer»

Answer:

A rational NUMBER between 3 and 4 is 1/2 (3 + 4) = 7/2. HENCE, 13/4, 7/2 and 15/4 are the three rational NUMBERS lying between 3 and 4.

Step-by-step explanation:

Discussion

33.	Prove that 3V2-2V3 is not a rational number
Answer» Answer: Summary • All rational NUMBERS can be written as a fraction. ... TV5 ov; 3 1 1 E) → f) → V5 – V2 3V2 – 2V3 Jack STATES that this isn't the case and that he could 9 ... method to show V5 = 72 Step-by-step EXPLANATION:

33.

Prove that 3V2-2V3 is not a rational number

Answer»

Answer:

Summary • All rational NUMBERS can be written as a fraction. ... TV5 ov; 3 1 1 E) → f) → V5 – V2 3V2 – 2V3 Jack STATES that this isn't the case and that he could 9 ... method to show V5 = 72

Step-by-step EXPLANATION:

Discussion

34.	FIE\|E\|F\|EJEEEE66BEDEEELfind 16 circles in this picture
Answer» ANSWER: where is the PICTURE...........

34.

FIE|E|F|EJEEEE66BEDEEELfind 16 circles in this picture

Answer»

ANSWER:

where is the PICTURE...........

Discussion

35.	Which of the following cannot be a factor of x5 – ax3 + bx2 + 200?(A) x3 – 8 (B) (x2 – 25)(C) (x + 5) (D) (x + 15)
Answer» Given : The POLYNOMIAL is x⁵ – ax³ + bx² + 200 To check : which of the following cannot be a FACTOR of the above polynomial. (A) (x³ - 8) (B) (x² - 25) (B) (x + 5) (D) (x + 15) solution : concept : if (x - h) is a factor of a₁xⁿ + a₂xⁿ¯¹ + a₃xⁿ¯³ + .... + a_n , then h must be a factor of a_n. for example, (x - 5) is factor of (x³ - 125) , here we see 5 is a factor of 125. let's come to the point ! from the above concept, (x³ - 8) can be a factor of given polynomial because 8 is a factor of 200. (x² - 25) can also be a factor of the polynomial because 25 is a factor of 200 too. (x + 5) has the same explanation, it can be a factor of the polynomial. but (x + 15) can't be a factor of the polynomial because 15 isn't a factor of 200. Therefore the correct option is (D) (x + 15)

35.

Which of the following cannot be a factor of x5 – ax3 + bx2 + 200?(A) x3 – 8 (B) (x2 – 25)(C) (x + 5) (D) (x + 15)

Answer»

Given : The POLYNOMIAL is x⁵ – ax³ + bx² + 200

To check : which of the following cannot be a FACTOR of the above polynomial.

(A) (x³ - 8) (B) (x² - 25)

(B) (x + 5) (D) (x + 15)

solution : concept : if (x - h) is a factor of a₁xⁿ + a₂xⁿ¯¹ + a₃xⁿ¯³ + .... + a_n , then h must be a factor of a_n.

for example, (x - 5) is factor of (x³ - 125) , here we see 5 is a factor of 125.

let's come to the point !

from the above concept,

(x³ - 8) can be a factor of given polynomial because 8 is a factor of 200.

(x² - 25) can also be a factor of the polynomial because 25 is a factor of 200 too.

(x + 5) has the same explanation, it can be a factor of the polynomial.

but (x + 15) can't be a factor of the polynomial because 15 isn't a factor of 200.

Therefore the correct option is (D) (x + 15)

Discussion

36.	There are 123 children in a locality, 42 like ice cream, 36 like duxolatesand 20 like Soft Drinks, 15 children like Ice cream and Chocolates 10 childrenlike Ice-cream and Soft drinks, 4 like Chocolates and soft drinks but notice-cream, I like Chocolates and ice cream but not soft drinks. How manychildren (i) like all three items, (i) do not like anything and cm) like atleasttwo items?
Answer» Answer: 127 is the answerrrrrrrrrrrrrr

36.

There are 123 children in a locality, 42 like ice cream, 36 like duxolatesand 20 like Soft Drinks, 15 children like Ice cream and Chocolates 10 childrenlike Ice-cream and Soft drinks, 4 like Chocolates and soft drinks but notice-cream, I like Chocolates and ice cream but not soft drinks. How manychildren (i) like all three items, (i) do not like anything and cm) like atleasttwo items?

Answer»

Answer:

127 is the answerrrrrrrrrrrrrr

Discussion

37.	13/-15.......... 10/-11(,=)
Answer» ANSWER: Step-by-step EXPLANATION: -13/15 _____ -10/11 take LCM -13/15 X 11/11 __________ -10/11 x 15/15 -143/165___________ -150/165 -143/165 > -150/165 => -13/15 > -10/11

37.

13/-15.......... 10/-11(,=)

Answer»

ANSWER:

Step-by-step EXPLANATION:

-13/15 _____ -10/11

take LCM

-13/15 X 11/11 __________ -10/11 x 15/15

-143/165___________ -150/165

-143/165 > -150/165

=> -13/15 > -10/11

Discussion

38.	If 2 root x + 5 root x cube polynomial give reason
Answer» ANSWER: What is the question. Step-by-step EXPLANATION:

38.

If 2 root x + 5 root x cube polynomial give reason

Answer»

ANSWER:

What is the question.

Step-by-step EXPLANATION:

Discussion

39.	3log2+log 6=log x find x
Answer» ANSWER: PLEASE MARK this answer as BRAINLIEST answer

39.

3log2+log 6=log x find x

Answer»

ANSWER:

PLEASE MARK this answer as BRAINLIEST answer

Discussion

40.	If x=2-√3,find the value of (x-1/x)^3
Answer» ANSWER: hope this HELP U it is correct so u FOLLOW me and I u

40.

If x=2-√3,find the value of (x-1/x)^3

Answer»

ANSWER:

hope this HELP U it is correct so u FOLLOW me and I u

Discussion

41.	Triangle ABC congruent to triangle PQR.If AB=3.6,PQ=2.4and PR=5.4then AC=_______
Answer» Answer: 8.1 Step-by-step EXPLANATION: PLZ MARK as BRAINLIST

41.

Triangle ABC congruent to triangle PQR.If AB=3.6,PQ=2.4and PR=5.4then AC=_______

Answer»

Answer:

8.1

Step-by-step EXPLANATION:

PLZ MARK as BRAINLIST

Discussion

42.	what is the value of m for which the pair of linear equation 2 X + 3 Y = 0 and mX + 6Y has a non-zero solution.
Answer» Answer: Ans. Let the present AGE of Aftab = x And, present age of his DAUGHTER is represented as = y Seven years ago, Aftab’s age = x – 7 Age of Aftab’s daughter = y – 7 According to the question, (x – 7) = 7 (y – 7 ) x – 7 = 7 y – 49 x – 7y = – 49 + 7 x – 7y = – 42 … (i) x = 7y – 42 Putting y = 5, 6 and 7, we get x = 7 × 5 – 42 = 35 – 42 = – 7 x = 7 × 6 – 42 = 42 – 42 = 0 x = 7 × 7 – 42 = 49 – 42 = 7 Three years from now, Aftab’s age = x + 3 Age of Aftab’s daughter = y + 3 According to the question, (x + 3) = 3 (y + 3) x + 3 = 3Y + 9 x – 3y = 9 – 3 x – 3y = 6 … (ii) x = 3y + 6 Putting, y = – 2, –1 and 0, we get x = 3 × – 2 + 6 = – 6 + 6 =0 x = 3 × – 1 + 6 = – 3 + 6 = 3 x = 3 × 0 + 6 = 0 + 6 = 6

42.

what is the value of m for which the pair of linear equation 2 X + 3 Y = 0 and mX + 6Y has a non-zero solution.

Answer»

Answer:

Ans. Let the present AGE of Aftab = x

And, present age of his DAUGHTER is represented as = y

Seven years ago,

Aftab’s age = x – 7

Age of Aftab’s daughter = y – 7

According to the question,

(x – 7) = 7 (y – 7 )

x – 7 = 7 y – 49

x – 7y = – 49 + 7

x – 7y = – 42 … (i)

x = 7y – 42

Putting y = 5, 6 and 7, we get

x = 7 × 5 – 42 = 35 – 42 = – 7

x = 7 × 6 – 42 = 42 – 42 = 0

x = 7 × 7 – 42 = 49 – 42 = 7

Three years from now,

Aftab’s age = x + 3

Age of Aftab’s daughter = y + 3

According to the question,

(x + 3) = 3 (y + 3)

x + 3 = 3Y + 9

x – 3y = 9 – 3

x – 3y = 6 … (ii)

x = 3y + 6

Putting, y = – 2, –1 and 0, we get

x = 3 × – 2 + 6 = – 6 + 6 =0

x = 3 × – 1 + 6 = – 3 + 6 = 3

x = 3 × 0 + 6 = 0 + 6 = 6

Discussion

43.	If 793800 = 2 3 x 3 m x 5 n x 7 2, find the value of m and n
Answer» ANSWER: m= 4 and N= 2 hope this helps❤️

43.

If 793800 = 2 3 x 3 m x 5 n x 7 2, find the value of m and n

Answer»

ANSWER:

m= 4 and N= 2

hope this helps❤️

Discussion

44.	Rationalize the denominator of the following fraction 1 /√7+√3
Answer» Step-by-step EXPLANATION: i HOPE you UNDERSTAND my ANSWER by above PIC

44.

Rationalize the denominator of the following fraction 1 /√7+√3

Answer»

Step-by-step EXPLANATION:

i HOPE you UNDERSTAND my ANSWER by above PIC

Discussion

45.	A square is drawn on the heightof an equilateral triangle (wetthlength of each side se unit), Whatwe'll be the area of the's square.
Answer» ANSWER: TWICE the AREA of EQUILATERAL triangle Step-by-step EXPLANATION:

45.

A square is drawn on the heightof an equilateral triangle (wetthlength of each side se unit), Whatwe'll be the area of the's square.

Answer»

ANSWER:

TWICE the AREA of EQUILATERAL triangle

Step-by-step EXPLANATION:

Discussion

46.	Decimals question 8/100
Answer» ANSWER: 0.08 is your answer THANK you....

46.

Decimals question 8/100

Answer»

ANSWER:

0.08 is your answer THANK you....

Discussion

47.	the number having greater numerator is the greater rational number if the denominator is same ? true or false and how?
Answer» ANSWER: TRUE is RIGHT answer Step-by-step EXPLANATION: OK...

47.

the number having greater numerator is the greater rational number if the denominator is same ? true or false and how?

Answer»

ANSWER:

TRUE is RIGHT answer

Step-by-step EXPLANATION:

OK...

Discussion

48.	Write down the periods and corresponding places of 8digit number
Answer» ANSWER: 45677890 is the answer

48.

Write down the periods and corresponding places of 8digit number

Answer»

ANSWER:

45677890 is the answer

Discussion

49.	Hi friends please solve this questions.
Answer» ANSWER: it's EASY if U UNDERSTAND

49.

Hi friends please solve this questions.

Answer»

ANSWER:

it's EASY if U UNDERSTAND

Discussion

50.	Solve using identity ; 95× 95-85×85
Answer» ANSWER: $( {95})^{2} - ( {85})^{2} \\ (95 + 85)(95 - 85) \\ 180 \times 10 = 1800 \\ anssssss$ Step-by-step EXPLANATION: PLEASE MARK as a RESULT

50.

Solve using identity ; 95× 95-85×85

Answer»

ANSWER:

$( {95})^{2} - ( {85})^{2} \\ (95 + 85)(95 - 85) \\ 180 \times 10 = 1800 \\ anssssss$

Step-by-step EXPLANATION:

PLEASE MARK as a RESULT

Discussion

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