1907 + Interview Questions in Maths in Class 7

1.	One fourth of a number is increased by 7 and the result is multiplied by 3. Thus, we obtain 36.Find the number.
Answer» ANSWER :20

Discussion

2.	Evaluate: 4 xx (9)/(5)
Answer» `7 (2)/(5)` `7 (1)/(6)` `7 (1)/(5)` `6 (1)/(5)` ANSWER :C

Discussion

3.	The median of 8 numbers is 11. If 7 of these numbers are 26, 12, 3, 8, 5, 20, and 14, find the eighth number.
Answer» `11` `8` `10` `9` ANSWER :C

Discussion

4.	Solve: 3x+5=5x-11. Represent the solution graphically.
Answer» ANSWER :x=8

Discussion

5.	Which of the rational number is greater in each of the following pairs? (i) frac(5)(9)("or")frac(-3)(-8) (ii) frac(4)(-3)("or")frac(-8)(7) (iii) frac(-12)(5)("or")-3 (iv) frac(7)(-9)("or")frac(-5)(8) (v) frac(4)(-5)("or")frac(-7)(8) (vi) frac(9)(-13)("or")frac(7)(-12)
Answer» ANSWER :(i) `frac(5)(9)` (ii) `frac(-8)(7)` (III) `frac(-12)(5)` (iv) `frac(-5)(8)` (V) `frac(4)(-5)` (vi) `frac(7)(-12)`

Discussion

6.	₹8000 is borrowed at 4% interset for 3 years. Find the interset and the amountat the end of 3 years.
Answer» ANSWER :`= ₹ 8960`

Discussion

7.	Simplify : 16.753 + 4.06 - 13.89
Answer» ANSWER :6.923

Discussion

8.	Find the area of a triangle whose sides are 28 cm , 21 cm and 35 cm . Also find the length of the altitude corresponding to the largest side of the triangle .
Answer» ANSWER :16.8 CM.

Discussion

9.	Divide 184 into two parts such that one-third of one part may exceed one-seventh of the otherpart by 8.
Answer» ANSWER :72 , 112

Discussion

10.	A person borrowed a certain sum of money at 16(2)/(3)% per annum compound interest. He cleared the debt by paying Rs. 20825 at the end of 2 years. Find the sum borrowed.
Answer» RS. 15300 Rs. 15800 Rs. 14300 Rs. 14800 Solution :USE the FORMULA

Discussion

11.	Find the mean proportion between 0.32 and 0.08
Answer» ANSWER :`0 . 16`

Discussion

12.	Write 8^(3) as in exponent form with base 2.
Answer» ANSWER :`2^(9)`

Discussion

13.	Find the median of : 16, 9, 11, 23, 7, 5, 12, 14, 8, 10, 21
Answer» ANSWER :11

Discussion

14.	Divide 13 1/3 div10
Answer» ANSWER :1`1/3`

Discussion

15.	Fill in the blanks : 2/3 = ........
Answer» ANSWER :`0.bar(6)`

Discussion

16.	Multiply 34.6 by 0.23
Answer» ANSWER :7.958

Discussion

17.	Find the mode of the following data. 3,7,4,5,9,1,7,2,2,8,1,2,4,7,7,12,11,9,8,4,7
Answer» ANSWER :7

Discussion

18.	Find the product : 212.22 xx 3.05
Answer» ANSWER :`64.271`

Discussion

19.	A data set has 13 distinct observation with median 18. If one more number is added to this data set. The median will remain unchanged. Find the number added.
Answer» ANSWER :`18`

Discussion

20.	Find the reciprocal of:0
Answer» ANSWER :no RECIPROCAL

Discussion

21.	If a and b are two negative integers, then state the sign of the given expressions in each of the following, if knows definitely. i. a+b "ii. "a-b"iii. "a times b"iv. "a div b
Answer» ANSWER :i. negativeii. Not defineiii. Positiveiv. POSITIVE

Discussion

22.	If the radius of a circle is increased three times, by how many times will the circumference increase ?
Answer» ANSWER :`4:5`

Discussion

23.	Find the product : 0.74 xx6.7
Answer» ANSWER :4.958

Discussion

24.	Divide 13/46 div2(1)/(11)
Answer» ANSWER :`143/1058`

Discussion

25.	Fill in the blanks and state the property used. If a and b are two integers, then their sum is also _______.
Answer» ANSWER :INTEGER; CLOSURE under ADDITION

Discussion

26.	A square lown is surrounded by path 2 m wide around it, If the area of the path is 120 m^(2) , find the area of the lawn.
Answer» ANSWER :`=169 m^(2)`.

Discussion

27.	The runs scored by a batsman in 2 different cricket matches are as follows: 65,32,97,0,32,160,68,23,35,75,40 Which central tendency value will the batsman project for selection in the cricket team for a tournament?
Answer» ANSWER :ARITHMETIC MEAN = `57` RUNS

Discussion

28.	Simplify : j. ((21)/(10) xx (2)/(14) ) - ((1)/(7) div (36)/(28))
Answer» ANSWER :`(17)/(90)`

Discussion

29.	Find the mode in each of the following data collection. 5,7,9, 11, 14, 16, 20, 22, 25
Answer» ANSWER :No MODE

Discussion

30.	Find the median of the first 10 even numbers.
Answer» ANSWER :11

Discussion

31.	What must be subtracted from 2x^(2)-3x+1 to get x^(2)+x-2?
Answer» SOLUTION :N/A

Discussion

32.	Which of the following are proper and improper fractions? c. (6)/(6)
Answer» ANSWER :PROPER FRACTIONS

Discussion

33.	Solve the following equations and verify the results. (x-6)/4-(x-4)/6=1-x/10
Answer» ANSWER :`X = 10`

Discussion

34.	Evaluate: (21)/(60) = (x)/( 40)
Answer» ANSWER :14

Discussion

35.	Find the perimeter and area of a square whose side measures : 3.5 cm
Answer» ANSWER :`14cm,12.25cm^(2)`

Discussion

36.	Evaluate: 3274.12 div 1000
Answer» ANSWER :`3.27412`

Discussion

37.	Round off : 6.342 , correct to 2 decimal places
Answer» ANSWER :6.34

Discussion

38.	By actural division , express each of the following asa repeating decimal : 103/9
Answer» ANSWER :`11.bar4`

Discussion

39.	Solve the equationsand check your answer in the case: 3x-(5)/(3)=x-3
Answer» ANSWER :`X=-(2)/(3)`

Discussion

40.	. Find the median of the given data: 9, 7, 12, 16, 8, 11, 16, 13, 10
Answer» `12` `11` `16` `13` Answer :B

Discussion

41.	Express each of the following ratios in simplest form : 8 months : 1(2)/(3) years
Answer» ANSWER :`2 : 5 `

Discussion

42.	Evaluate: 14.25div 3
Answer» ANSWER :`4.75`

Discussion

43.	A sum of money invested at a certain rate of interest doubles itself in 8 years. In how much time will it treble itself at the same interest rate ?
Answer» ANSWER :16 YEARS

Discussion

44.	Find (13)/(15) div 8 (2)/(3)
Answer» ANSWER :`= (1)/(10)`

Discussion

45.	Find the area of a circular park with diameter 70 m.
Answer» ANSWER :`22 CM`

Discussion

46.	Compare the following without evaluating the product: b. i. (12)/(7) xx (8)/(5) square (12)/(5) ""ii. (12)/(7) xx (8)/(5) square (8)/(5)
Answer» ANSWER :i. `GT`, II. `gt`

Discussion

47.	Divide : 0.1728 div 72
Answer» ANSWER :0.0024

Discussion

48.	Evaluate: 888. 36 div 48
Answer» ANSWER :`18.5075`

Discussion

49.	Solve the equationsand check your answer in the case: (x+5)/(2)+(x)/(3)=20
Answer» ANSWER :X = 21

Discussion

50.	Round of to the nearest whole number : 134.496
Answer» ANSWER :134

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

One fourth of a number is increased by 7 and the result is multiplied by 3. Thus, we obtain 36.Find the number.

Evaluate: 4 xx (9)/(5)

The median of 8 numbers is 11. If 7 of these numbers are 26, 12, 3, 8, 5, 20, and 14, find the eighth number.

Solve: 3x+5=5x-11. Represent the solution graphically.

Which of the rational number is greater in each of the following pairs? (i) frac(5)(9)("or")frac(-3)(-8) (ii) frac(4)(-3)("or")frac(-8)(7) (iii) frac(-12)(5)("or")-3 (iv) frac(7)(-9)("or")frac(-5)(8) (v) frac(4)(-5)("or")frac(-7)(8) (vi) frac(9)(-13)("or")frac(7)(-12)

₹8000 is borrowed at 4% interset for 3 years. Find the interset and the amountat the end of 3 years.

Simplify : 16.753 + 4.06 - 13.89

Find the area of a triangle whose sides are 28 cm , 21 cm and 35 cm . Also find the length of the altitude corresponding to the largest side of the triangle .

Divide 184 into two parts such that one-third of one part may exceed one-seventh of the otherpart by 8.

A person borrowed a certain sum of money at 16(2)/(3)% per annum compound interest. He cleared the debt by paying Rs. 20825 at the end of 2 years. Find the sum borrowed.

Find the mean proportion between 0.32 and 0.08

Write 8^(3) as in exponent form with base 2.

Find the median of : 16, 9, 11, 23, 7, 5, 12, 14, 8, 10, 21

Divide 13 1/3 div10

Fill in the blanks : 2/3 = ........

Multiply 34.6 by 0.23

Find the mode of the following data. 3,7,4,5,9,1,7,2,2,8,1,2,4,7,7,12,11,9,8,4,7

Find the product : 212.22 xx 3.05

A data set has 13 distinct observation with median 18. If one more number is added to this data set. The median will remain unchanged. Find the number added.

Find the reciprocal of:0

If a and b are two negative integers, then state the sign of the given expressions in each of the following, if knows definitely. i. a+b "ii. "a-b"iii. "a times b"iv. "a div b

If the radius of a circle is increased three times, by how many times will the circumference increase ?

Find the product : 0.74 xx6.7

Divide 13/46 div2(1)/(11)

Fill in the blanks and state the property used. If a and b are two integers, then their sum is also _______.

A square lown is surrounded by path 2 m wide around it, If the area of the path is 120 m^(2) , find the area of the lawn.

The runs scored by a batsman in 2 different cricket matches are as follows: 65,32,97,0,32,160,68,23,35,75,40 Which central tendency value will the batsman project for selection in the cricket team for a tournament?

Simplify : j. ((21)/(10) xx (2)/(14) ) - ((1)/(7) div (36)/(28))

Find the mode in each of the following data collection. 5,7,9, 11, 14, 16, 20, 22, 25

Find the median of the first 10 even numbers.

What must be subtracted from 2x^(2)-3x+1 to get x^(2)+x-2?

Which of the following are proper and improper fractions? c. (6)/(6)

Solve the following equations and verify the results. (x-6)/4-(x-4)/6=1-x/10

Evaluate: (21)/(60) = (x)/( 40)

Find the perimeter and area of a square whose side measures : 3.5 cm

Evaluate: 3274.12 div 1000

Round off : 6.342 , correct to 2 decimal places

By actural division , express each of the following asa repeating decimal : 103/9

Solve the equationsand check your answer in the case: 3x-(5)/(3)=x-3

. Find the median of the given data: 9, 7, 12, 16, 8, 11, 16, 13, 10

Express each of the following ratios in simplest form : 8 months : 1(2)/(3) years

Evaluate: 14.25div 3

A sum of money invested at a certain rate of interest doubles itself in 8 years. In how much time will it treble itself at the same interest rate ?

Find (13)/(15) div 8 (2)/(3)

Find the area of a circular park with diameter 70 m.

Compare the following without evaluating the product: b. i. (12)/(7) xx (8)/(5) square (12)/(5) ""ii. (12)/(7) xx (8)/(5) square (8)/(5)

Divide : 0.1728 div 72

Evaluate: 888. 36 div 48

Solve the equationsand check your answer in the case: (x+5)/(2)+(x)/(3)=20

Round of to the nearest whole number : 134.496