1907 + Interview Questions in Maths in Class 7

1.	Evaluate: (-2) times (-3) times (-1) times (-4) times (-7)
Answer» ANSWER :-168

Discussion

2.	Round off each of the following to the nearest whole number : 87.46
Answer» ANSWER :87

Discussion

3.	Subtract : 8.937 from 32
Answer» ANSWER :23.063

Discussion

4.	Solve the equationsand check your answer in the case: 5(3-x)+1=3(x+4)
Answer» ANSWER :`X=(1)/(2)`

Discussion

5.	By working together, A and B can finish a work in 15 days. If B alone can finish the work in 20 days, in how many days can A alone finish the work?
Answer» ANSWER :60 DAYS

Discussion

6.	Round of to the nearest whole number : 52.34
Answer» ANSWER :52

Discussion

7.	The mean of 8 numbers is 11. If 3 of these numbers are in the ratio 1:2:3 and the remaining 5 numbers are 9, 10, 13, 14, and 18, find the 3 numbers.
Answer» `4,8,12` `4,9,13``7,10,13` ANSWER :A

Discussion

8.	How many pieces of length 3 5/7 m each can be cut fromawall paper 52 m long
Answer» ANSWER :14

Discussion

9.	Find the value of 2a^2+b^2+5 when a=2 and b=-1
Answer» ANSWER :14

Discussion

10.	How many square tiles of side 20cm are required to cover the floor of a square room of side 4m?
Answer» ANSWER :400

Discussion

11.	What sum of money will amount to ₹840 in 3 years at 4% interest per year ?
Answer» ANSWER :750

Discussion

12.	5 (2)/(9) - 2(4)/(9) - 1(1)/(9)
Answer» `= 1 (1)/(3)` `= 1 (2)/(7)` `= 1 (2)/(3)` `= 1 (2)/(11)` Answer :C

Discussion

13.	Solve the equationsand check your answer in the case: (2)/(3)(3x-2)=(4)/(5)(2x-3) -(4)/(3)
Answer» ANSWER :X= -6

Discussion

14.	Evaluate: f. 3 xx 7 (3)/(7) x 3 (3)/( 13)
Answer» ANSWER :`72`

Discussion

15.	Solve the following equation and verify the results. ((3x+4))/8-((2x+5))/5=((3-4x))/10
Answer» ANSWER :`X = (32)/15`

Discussion

16.	Evaluate: -1105 div 17
Answer» ANSWER :-65

Discussion

17.	Convert the following decimals to fractions in simplest form:
Answer» `0.8` `24.56` `3.245` `1.75` ANSWER :A::B::C::D

Discussion

18.	Add : 6.9, 23.84
Answer» ANSWER :30.74

Discussion

19.	Which of the following statements are true ? 30 bags : 18 bags = ₹ 450 : ₹ 270
Answer» ANSWER :1

Discussion

20.	Convert each of the following fractions into a decimal : 4(3)/8
Answer» ANSWER :4.375

Discussion

21.	Divide : 23.4 div1000
Answer» ANSWER :0.0234

Discussion

22.	A circular racing track is such that its outer circumference measures 440 m and its inner circumference is 396 m. Find the width of the track.
Answer» ANSWER :`700 MM^(2)`

Discussion

23.	After 9 games, the mean number of goals scored by a football team is 3.If after one more game the new mean value of goals scored is 2.9, how many goals did they score in this game?
Answer» `3` `2` `1` `4` ANSWER :B

Discussion

24.	3.612 div 12
Answer» ANSWER :`0.301`

Discussion

25.	Evaluate: c. (14)/(25 ) xx (20)/( 49)
Answer» ANSWER :`(8)/(35)`

Discussion

26.	A bundle of 500 sheets of paper has a net weight of 2 3/10 kg. Find the weight of 1 sheet of paper.
Answer» ANSWER :`23/5000`

Discussion

27.	Area of a triangle = (base xx height).
Answer» ANSWER :F

Discussion

28.	The sum of two digits of a two-digit number is 11. If 45 is added to this number, the digits get reversed. Find the number.
Answer» ANSWER :38

Discussion

29.	Add : 35.67 , 18.794 , 4.9 , 31.82
Answer» ANSWER :91.184

Discussion

30.	How many lines of symmetry does a scalene triangle have ?
Answer» ANSWER :NONE

Discussion

31.	Which is greater: (3)/(5) of (1)/(4) or (2)/(7) of (5)/(8) ?
Answer» `(3)/(5)` of `(1)/(4)` `(2)/(7)` of `(5)/(8)` Both are equal Cannot be determined Solution :`(3)/(20) lt (5)/(28)`.

Discussion

32.	Fill in the blanks 25 cm = "_______________" km
Answer» ANSWER :`0.00025 KM `

Discussion

33.	Multiply : 9.387 xx 0.002
Answer» ANSWER :`0.018774`

Discussion

34.	Mohan takes 15 min to go a market and 200s to go to a bus stop travelling at the same speed. What is the ratio of distances in two cases?
Answer» `4.5:1` `5:1` `1:4.5` `4.5:6` SOLUTION :`therefore ` REQUIRED RATIO of distances=Ratio of time taken in two cases = `(15 xx 6):200` =9:2 = 4.5:1 Hence, the correct OPTION is (a)

Discussion

35.	Find the circumference of a circle of radius 17.5cm . (Take pi=(22)/(7))
Answer» ANSWER :110 CM

Discussion

36.	Divide ₹ 7200 among A, B and C in the ratio (1)/(3) : (1)/(6) : (1)/(4)
Answer» ANSWER :`4 : 2 : 3`

Discussion

37.	If a : b = 3 : 2and b : c = 4 : 5 , find a : c
Answer» ANSWER :`6 : 5 `

Discussion

38.	One angle of a right-angled triangle is 38^(@). Find the other angle.
Answer» ANSWER :`52^(@)`

Discussion

39.	Express each of the following in exponential notation: ((-7)/( 15))^(12) + ( ( - 7)/( 15))^(15)
Answer» ANSWER :` ((-15)/(7))^(3)`

Discussion

40.	The sum of two integers is -95. If one of the integers is 15, find the other integer.
Answer» ANSWER :-110

Discussion

41.	A wire when bent in the form of square , encloses an area of 146 . 41 cm^(2) . If this wire is straightened and then bent to form a circle , what will be the area of the circle so formed ?
Answer» ANSWER :`186.34cm^(2)`

Discussion

42.	Convert the as directed 40 sq.m into sq. cm
Answer» ANSWER :`0.4 sq.m `

Discussion

43.	Solve the equationsand check your answer in the case: 5(x+4)=35
Answer» ANSWER :Z = 3

Discussion

44.	23 mm = "_________"m
Answer» ANSWER :`0.023`

Discussion

45.	One number is 6 times the other. The difference of the two numbers is 75. Find the two numbers.
Answer» ANSWER :the TWO NUMBER are 15 and 90

Discussion

46.	Evaluate : (0.8)^3
Answer» ANSWER :0.512

Discussion

47.	The radius of a wheelof a cycle is 70 cm andittakes 5 minutesto make 3000 rotations . Find the speed of the cycle in km per hour . (Take pi=(22)/(7)).
Answer» ANSWER :15.84 km/hr

Discussion

48.	Simplify : 1 - 10.5 + 12.213
Answer» ANSWER :2.713

Discussion

49.	Evaluate: 49 div (-1)
Answer» ANSWER :-49

Discussion

50.	Write the number of terms and also list out the terms in each of the following algebraic expressions. (2xy) y+(4y)+z^2-x(2y^2)
Answer» ANSWER :`4yz+z^2`

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Evaluate: (-2) times (-3) times (-1) times (-4) times (-7)

Round off each of the following to the nearest whole number : 87.46

Subtract : 8.937 from 32

Solve the equationsand check your answer in the case: 5(3-x)+1=3(x+4)

By working together, A and B can finish a work in 15 days. If B alone can finish the work in 20 days, in how many days can A alone finish the work?

Round of to the nearest whole number : 52.34

The mean of 8 numbers is 11. If 3 of these numbers are in the ratio 1:2:3 and the remaining 5 numbers are 9, 10, 13, 14, and 18, find the 3 numbers.

How many pieces of length 3 5/7 m each can be cut fromawall paper 52 m long

Find the value of 2a^2+b^2+5 when a=2 and b=-1

How many square tiles of side 20cm are required to cover the floor of a square room of side 4m?

What sum of money will amount to ₹840 in 3 years at 4% interest per year ?

5 (2)/(9) - 2(4)/(9) - 1(1)/(9)

Solve the equationsand check your answer in the case: (2)/(3)(3x-2)=(4)/(5)(2x-3) -(4)/(3)

Evaluate: f. 3 xx 7 (3)/(7) x 3 (3)/( 13)

Solve the following equation and verify the results. ((3x+4))/8-((2x+5))/5=((3-4x))/10

Evaluate: -1105 div 17

Convert the following decimals to fractions in simplest form:

Add : 6.9, 23.84

Which of the following statements are true ? 30 bags : 18 bags = ₹ 450 : ₹ 270

Convert each of the following fractions into a decimal : 4(3)/8

Divide : 23.4 div1000

A circular racing track is such that its outer circumference measures 440 m and its inner circumference is 396 m. Find the width of the track.

After 9 games, the mean number of goals scored by a football team is 3.If after one more game the new mean value of goals scored is 2.9, how many goals did they score in this game?

3.612 div 12

Evaluate: c. (14)/(25 ) xx (20)/( 49)

A bundle of 500 sheets of paper has a net weight of 2 3/10 kg. Find the weight of 1 sheet of paper.

Area of a triangle = (base xx height).

The sum of two digits of a two-digit number is 11. If 45 is added to this number, the digits get reversed. Find the number.

Add : 35.67 , 18.794 , 4.9 , 31.82

How many lines of symmetry does a scalene triangle have ?

Which is greater: (3)/(5) of (1)/(4) or (2)/(7) of (5)/(8) ?

Fill in the blanks 25 cm = "_______________" km

Multiply : 9.387 xx 0.002

Mohan takes 15 min to go a market and 200s to go to a bus stop travelling at the same speed. What is the ratio of distances in two cases?

Find the circumference of a circle of radius 17.5cm . (Take pi=(22)/(7))

Divide ₹ 7200 among A, B and C in the ratio (1)/(3) : (1)/(6) : (1)/(4)

If a : b = 3 : 2and b : c = 4 : 5 , find a : c

One angle of a right-angled triangle is 38^(@). Find the other angle.

Express each of the following in exponential notation: ((-7)/( 15))^(12) + ( ( - 7)/( 15))^(15)

The sum of two integers is -95. If one of the integers is 15, find the other integer.

A wire when bent in the form of square , encloses an area of 146 . 41 cm^(2) . If this wire is straightened and then bent to form a circle , what will be the area of the circle so formed ?

Convert the as directed 40 sq.m into sq. cm

Solve the equationsand check your answer in the case: 5(x+4)=35

23 mm = "_________"m

One number is 6 times the other. The difference of the two numbers is 75. Find the two numbers.

Evaluate : (0.8)^3

The radius of a wheelof a cycle is 70 cm andittakes 5 minutesto make 3000 rotations . Find the speed of the cycle in km per hour . (Take pi=(22)/(7)).

Simplify : 1 - 10.5 + 12.213

Evaluate: 49 div (-1)

Write the number of terms and also list out the terms in each of the following algebraic expressions. (2xy) y+(4y)+z^2-x(2y^2)