1907 + Interview Questions in Maths in Class 7

1.	Reeta wants to fence the graden in front of her house on three sies. The dimensions of the three sides are 14 m, 12 m, and 19m. Find the cost of fencing the garden at the rate of Rs 110 per meter.
Answer» ANSWER :`RS 4950`

Discussion

2.	A car covers a distance of 276.75 km in 4.5 hours. What is the average speed of the car ?
Answer» ANSWER :61.5 km/hr

Discussion

3.	Express each of the following as fraction is simplest form : 0.45
Answer» ANSWER :`9/20`

Discussion

4.	A sum of money invested at certain rate of interest doubles itself in 10 years. In how much time will it treble itself at the same rate ?
Answer» ANSWER :`20` YEARS

Discussion

5.	By how much should 59.654 be decreased to get 48.5678 ?
Answer» ANSWER :`11.0862`

Discussion

6.	Find each of the following products:i(-4)xx(-5)xx(-8)xx(-10)ii(-6)xx(-5)xx(-7)xx(-2)xx(-3)iii(60) xx (-10) xx (-5) xx (-1)iv(-30)xx(-20)xx(-5)v (-3)xx(-3)xx(-3)xx ... 6 timesvi(-5)xx(-5)xx(-5)xx... 5 timesvii(-1) xx (-1) xx (-1) xx ... 200 timesviii(-1) xx(-1)xx (-1)xx ... 171 times
Answer» Answer :i1600 ii -1260 III 3000 iv -3000 v 729 VI -3125 vii 1 viii -1

Discussion

7.	Kiran alone can do a piece of work in 15 days and Aman can do the same in 10 days. If they start working together, in how many days can the work be completed?
Answer» ANSWER :6 DAYS

Discussion

8.	Which central tendency has been used to arrive at the following statements?Prices for tickets to the movie vary by 25.
Answer» ANSWER :RANGE

Discussion

9.	A circular track is such that its inner circumference is 264 m. If the width of the track is 7m, find the cost of track at the rate of Rs 40 per m.
Answer» ANSWER :RS `12,320`

Discussion

10.	Two numbers are in the ratio 5 : 8 and their difference is 12 . find the number.
Answer» ANSWER :20 and 32

Discussion

11.	Multiply : 0.0006xx15
Answer» ANSWER :0.009

Discussion

12.	Evaluate : (0.06)^2
Answer» ANSWER :0.0036

Discussion

13.	Multiply : 0.3xx1000
Answer» ANSWER :300

Discussion

14.	The perimeterof a rectangular plot of land is 240 m and its length is 63 m . Find the breadth and area of the plot.
Answer» ANSWER :`57m,3591m^(2)`

Discussion

15.	Evaluate: (3)/(5) div 2
Answer» ANSWER :`= (3)/(10)`.

Discussion

16.	Divide ₹2500 into two parts such that if one part is lent at 3% for 2 years and the other at 4% for 2 years, then the total interest income is ₹160.
Answer» ANSWER :2000500

Discussion

17.	Round off : 8.1347, correct to 3 decimal places
Answer» ANSWER :8.135

Discussion

18.	What will be the sign of the product if we multiply: six positive and eight negative integers?
Answer» ANSWER :POSITIVE

Discussion

19.	Evaluate: 20 times 39 times 5
Answer» ANSWER :3900

Discussion

20.	Express each of the following as fraction is simplest form : 64.015
Answer» ANSWER :`64(3)/200`

Discussion

21.	Subtract :24.85 from 73.1
Answer» ANSWER :48.25

Discussion

22.	Evaluate: [23+(7-11)]+[(11-5)-(16+6)]
Answer» ANSWER :3

Discussion

23.	A fixed point P is given. How many rays can be drawn with P as initial point?
Answer» ANSWER :INFINITELY MANY

Discussion

24.	The mean of 5 observations is 8, Find the sum of the 5 observations.
Answer» `50` `35` `45` `40` ANSWER :D

Discussion

25.	Evaluate: 0.810 div 36
Answer» ANSWER :`0.0225`

Discussion

26.	Evaluate the 7.616 div 1.12
Answer» ANSWER :`6.8`

Discussion

27.	Express each of the following as a recurring decimal : 5/6
Answer» ANSWER :`0.8bar(3)`

Discussion

28.	Find the product. 0.007 xx 100
Answer» ANSWER :`0.7`

Discussion

29.	Evaluate : 3^(4)xx5^(4)
Answer» ANSWER :`15^(4)`

Discussion

30.	When will the median be one of the observations in a given data?
Answer» ANSWER :When the NUMBER of OBSERVATIONS in the DATA is ODD.

Discussion

31.	Evaluate: 542.22 - 56.3 - 6.77
Answer» ANSWER :`479.15`

Discussion

32.	Identify like terms in the following: 3x, 4xy, -yz, (1)/(2)zy
Answer» SOLUTION :N/A

Discussion

33.	Evaluate: 9.423 xx 15.68
Answer» ANSWER :`147.75264`

Discussion

34.	Evaluate: a. 9 xx (4)/(17)
Answer» ANSWER :`1 (1)/(3)`

Discussion

35.	If two complementary angles differ by 14^@ , find the angles.
Answer» ANSWER :`38^@ , 52^@`

Discussion

36.	State true or false in each of the following statements. 25 div (5-4)=(25 div 5)-(25 div 4)
Answer» ANSWER :FALSE

Discussion

37.	Simplify : d. (1)/(6) of (1 (1)/(9) div 7 (1)/(2) )
Answer» ANSWER :`(2)/(81)`

Discussion

38.	A full-sleeve shirt costs Rs 75 more than a half-sleeve shirt. If the cost of 4 full-sleeve shirts and 5 halfsleeve shirts cost Rs2325, find the cost of each.
Answer» ANSWER :RS 225 Rs 300

Discussion

39.	Evaluate: 1032 div (-24)
Answer» ANSWER :-43

Discussion

40.	Simran put (7)/(6) kg of sweets, 2 kg of milk, and 1 (2)/(3) kg of fruits in her bag. How much did her bag weigh now?
Answer» `4 (4)/(5)` kg `4 (2)/(9)` kg `4 (5)/(6)` kg `4 (3)/(7)` kg Answer :C

Discussion

41.	Find : a. 4 (5)/(13)- 3 (7)/(13) + 2 (8)/(13)
Answer» ANSWER :`3 (6)/(13)`

Discussion

42.	A path 2.5m wide is running around a rectangular grassy plot 40 m by 35 m . Find the area of the path and the money needed for tilling it Rs . 115.60 per m^(2).
Answer» ANSWER :`400 m^(2)`,RS. 46240

Discussion

43.	Which of the following figures has only one line of symmetry ?
Answer» A rectangle A parallelogram An ISOSCELES TRAPEZIUM A CIRCLE

Discussion

44.	Find the quotient. 2.02 div 10
Answer» ANSWER :`0.202`

Discussion

45.	Evaluate: c. 2 (3)/(14) + 5 (2)/(7) - 4 (3)/(4)
Answer» ANSWER :`2 (3)/(4)`

Discussion

46.	Express each of the following ratios in simplest form :(a) 24 : 40(b)13.5 : 15(c) 6(2)/(3) : 7(1)/(2) (d)(1)/(6) : (1)/(9) (e) 4 : 5 : (9)/(2) (f) 2.5 : 6.5 : 8
Answer» Answer :`3 : 5` `9 : 10` `8 : 9` `3 : 2` `8 : 10 : 9` `5 : 13 : 16`

Discussion

47.	A number is as much greater than 36 as is less than 86. Find the number.
Answer» ANSWER :61

Discussion

48.	Express each of the following as a recurring decimal : 2/13
Answer» ANSWER :`0.bar(153846)`

Discussion

49.	Identify monomials, binomials and trinomials from the following algebraic expressions: xy+yz-zx
Answer» SOLUTION :N/A

Discussion

50.	Divide 468 g of rice into three heaps containing the quantitiesin the ratio (1)/(6) : (1)/(8) : (1)/(12)
Answer» ANSWER :208 G, 156 g, 104 g

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Reeta wants to fence the graden in front of her house on three sies. The dimensions of the three sides are 14 m, 12 m, and 19m. Find the cost of fencing the garden at the rate of Rs 110 per meter.

A car covers a distance of 276.75 km in 4.5 hours. What is the average speed of the car ?

Express each of the following as fraction is simplest form : 0.45

A sum of money invested at certain rate of interest doubles itself in 10 years. In how much time will it treble itself at the same rate ?

By how much should 59.654 be decreased to get 48.5678 ?

Find each of the following products:i(-4)xx(-5)xx(-8)xx(-10)ii(-6)xx(-5)xx(-7)xx(-2)xx(-3)iii(60) xx (-10) xx (-5) xx (-1)iv(-30)xx(-20)xx(-5)v (-3)xx(-3)xx(-3)xx ... 6 timesvi(-5)xx(-5)xx(-5)xx... 5 timesvii(-1) xx (-1) xx (-1) xx ... 200 timesviii(-1) xx(-1)xx (-1)xx ... 171 times

Kiran alone can do a piece of work in 15 days and Aman can do the same in 10 days. If they start working together, in how many days can the work be completed?

Which central tendency has been used to arrive at the following statements?Prices for tickets to the movie vary by 25.

A circular track is such that its inner circumference is 264 m. If the width of the track is 7m, find the cost of track at the rate of Rs 40 per m.

Two numbers are in the ratio 5 : 8 and their difference is 12 . find the number.

Multiply : 0.0006xx15

Evaluate : (0.06)^2

Multiply : 0.3xx1000

The perimeterof a rectangular plot of land is 240 m and its length is 63 m . Find the breadth and area of the plot.

Evaluate: (3)/(5) div 2

Divide ₹2500 into two parts such that if one part is lent at 3% for 2 years and the other at 4% for 2 years, then the total interest income is ₹160.

Round off : 8.1347, correct to 3 decimal places

What will be the sign of the product if we multiply: six positive and eight negative integers?

Evaluate: 20 times 39 times 5

Express each of the following as fraction is simplest form : 64.015

Subtract :24.85 from 73.1

Evaluate: [23+(7-11)]+[(11-5)-(16+6)]

A fixed point P is given. How many rays can be drawn with P as initial point?

The mean of 5 observations is 8, Find the sum of the 5 observations.

Evaluate: 0.810 div 36

Evaluate the 7.616 div 1.12

Express each of the following as a recurring decimal : 5/6

Find the product. 0.007 xx 100

Evaluate : 3^(4)xx5^(4)

When will the median be one of the observations in a given data?

Evaluate: 542.22 - 56.3 - 6.77

Identify like terms in the following: 3x, 4xy, -yz, (1)/(2)zy

Evaluate: 9.423 xx 15.68

Evaluate: a. 9 xx (4)/(17)

If two complementary angles differ by 14^@ , find the angles.

State true or false in each of the following statements. 25 div (5-4)=(25 div 5)-(25 div 4)

Simplify : d. (1)/(6) of (1 (1)/(9) div 7 (1)/(2) )

A full-sleeve shirt costs Rs 75 more than a half-sleeve shirt. If the cost of 4 full-sleeve shirts and 5 halfsleeve shirts cost Rs2325, find the cost of each.

Evaluate: 1032 div (-24)

Simran put (7)/(6) kg of sweets, 2 kg of milk, and 1 (2)/(3) kg of fruits in her bag. How much did her bag weigh now?

Find : a. 4 (5)/(13)- 3 (7)/(13) + 2 (8)/(13)

A path 2.5m wide is running around a rectangular grassy plot 40 m by 35 m . Find the area of the path and the money needed for tilling it Rs . 115.60 per m^(2).

Which of the following figures has only one line of symmetry ?

Find the quotient. 2.02 div 10

Evaluate: c. 2 (3)/(14) + 5 (2)/(7) - 4 (3)/(4)

Express each of the following ratios in simplest form :(a) 24 : 40(b)13.5 : 15(c) 6(2)/(3) : 7(1)/(2) (d)(1)/(6) : (1)/(9) (e) 4 : 5 : (9)/(2) (f) 2.5 : 6.5 : 8

A number is as much greater than 36 as is less than 86. Find the number.

Express each of the following as a recurring decimal : 2/13

Identify monomials, binomials and trinomials from the following algebraic expressions: xy+yz-zx

Divide 468 g of rice into three heaps containing the quantitiesin the ratio (1)/(6) : (1)/(8) : (1)/(12)