1907 + Interview Questions in Maths in Class 7

1.	Arrange (9)/(11), (9)/(7), (9)/(15), (9)/(13), (9)/(5) in ascending order.
Answer» ANSWER :`9/15, 9/13, 9/11, 9/7, 9/5`

Discussion

2.	For a triangle ABC, fill in the blanks using >,
Answer» ANSWER :a. +,> B. <,+

Discussion

3.	Through what different angles should a rectanglebe rotated to be in symmetrical position with the original position?
Answer» ANSWER :`180^(@),360^(@)`

Discussion

4.	Multiply the 187.04 xx 23.10
Answer» ANSWER :`4320.624`

Discussion

5.	Evaluate: (-52) times (-9)
Answer» ANSWER :468

Discussion

6.	Evaluate: 2 (1)/(2) div (3)/(4)
Answer» ANSWER :`=3 (1)/(3)`.

Discussion

7.	The wall of a room is 16 long and 6 m high. There is a long rectangular window in the wall measuring 3 m long and I m high. Find the cost of painting the wall at the rate of Rs15 per sq. m.
Answer» ANSWER :TS 1395

Discussion

8.	Find the rate of interest per annum at which ₹900 will yield an interest on ₹180 in 5 years.
Answer» ANSWER :0.04

Discussion

9.	Solve: 6.206 div 10.7
Answer» ANSWER :`0.58`

Discussion

10.	Find: d. (4)/(25) div (16)/( 35)
Answer» ANSWER :`(7)/(20)`

Discussion

11.	A wall is 11 m long and 4 m high. It has a door which is 2 m high and 1.5m wide. Find the cost of painting the wall at the rate of Rs 6 per sq. m.
Answer» ANSWER :RS 246

Discussion

12.	An increase in the radius of a circle results in an increase of 6 (2)/(7) cm in the circumference. Find the increase in the radius.
Answer» ANSWER :`6.16 SQ. m`

Discussion

13.	Solve the equationsand check your answer in the each case: (2x+3)/(3)-(3x-2)/(4)=1
Answer» ANSWER :X = 6

Discussion

14.	Evaluate: e. 7 (1)/(6) + 8 (4)/(5) - 9 (2)/(3)
Answer» ANSWER :`6 (3)/(10)`

Discussion

15.	Simplify 3 4/7 div5
Answer» ANSWER :`124""(2)/(3)`

Discussion

16.	Evaluate : 3^(5)-:2^(5)
Answer» ANSWER :`((3)/(2))^(5)`

Discussion

17.	Convert the following decimals into like decimals : 8.1, 9.4 , 6.05 , 12
Answer» ANSWER :`8.10, 9.40, 6.05,12.00`

Discussion

18.	A rectangular field is such that its length is one and a half times its breadth. A thick white line is drawn all along the edges of the field. If the total length of the white line is 200 m, find the length of the sides of the field.
Answer» ANSWER :40 m. 60 m

Discussion

19.	Solve : (x+3)/(7)-(3x-5)/(5)=(2x-5)/(3)-25
Answer» ANSWER :`x=25`

Discussion

20.	At what rate per cent per annum simple interest will a sum double itself in 8 years ?
Answer» ANSWER :`12""1/2%` p.a.

Discussion

21.	Evaluate: [9+(7-8)]-[(21+6)-(22-15)]
Answer» ANSWER :-12

Discussion

22.	Evaluate the following. 76-(-56)
Answer» ANSWER :132

Discussion

23.	Find the reciprocal of 13/17
Answer» ANSWER :`1 (1)/(13)`

Discussion

24.	Evaluate: 0.0672 div 0.21
Answer» ANSWER :`0.32`

Discussion

25.	Find the area of a rectangular garden which is 120.5 m long and 20.6 m wide.
Answer» ANSWER :`=2.482 SQM`

Discussion

26.	Evaluate (-5) times 3.
Answer» ANSWER :-15

Discussion

27.	Round off : 0.047 , correct to 2 decimal places
Answer» ANSWER :0.05

Discussion

28.	What will be the sign of the product if we multiply: five positive and seven negative integers?
Answer» ANSWER :NEGATIVE

Discussion

29.	The median of 8 numbers is 40. If 7 of these numbers are 22,58,31,44,25,45 and 50. find the eighth number.
Answer» ANSWER :36

Discussion

30.	Subtract the sum of -368 and 245 from -211.
Answer» ANSWER :-88

Discussion

31.	Divide : 1.242 div 1.8
Answer» ANSWER :0.69

Discussion

32.	Find the area of the quadrilateral ABCD , given in the adjoining figure in which AB = 14 cm , BC = 78 cm , CD = 112cm BD = 50cm and DA = 48 cm .
Answer» ANSWER :`2016cm^(2)`

Discussion

33.	Starting from (-6) times 4," find " (-6) times (-4).
Answer» ANSWER :24

Discussion

34.	Observe the bar graph given below : Read the bar graph carefully and answer the following questions : What is the ratio between the minimum sale and the maximum sale?
Answer» ANSWER :`1:2`

Discussion

35.	Observe the bar graph given below : Read the bar graph carefully and answer the following questions : What was the total sale during the week?
Answer» ANSWER :1200 UNITS

Discussion

36.	Solve the equationsand check your answer in the case: (x-4)/(7)-(x+4)/(5)=(x+3)/(7)
Answer» ANSWER :X = -9

Discussion

37.	Express each of the following as fraction is simplest form : 1.6
Answer» ANSWER :`1(3)/5`

Discussion

38.	A person borrowed Rs. 8000 at 2(1)/(2)% per annum under S.I. The sum borrowed is immediately given to another person at the same rate on the condition that the interest is compounded semi-annually. Find the amount gained by the first person in one year.
Answer» Rs. 3.25 Rs. 2.25 Rs. 1.25 Rs. 0.25 Solution :(i) Amount gained =C.I.-S.I. (ii) Under C.I. rate of inerest for 6 MONTHS`=(1)/(2)xx(5)/(2)=(5)/(4)%` Take n=2. Find C.I. and S.I.

Discussion

39.	Convert each of the following fractions into a decimal : 11/20
Answer» ANSWER :0.55.

Discussion

40.	Arun has a certain sum deposited in a bank at 5% per annum. The bank increases the rate of interest from 5% to 6%. Arun deposits ₹2000 more in his account. The annual interest received by him now is ₹220 more than before. Find his original deposite.
Answer» ANSWER :`= ₹ 10, 000`

Discussion

41.	Evaluate : (0.2)^3
Answer» ANSWER :0.008

Discussion

42.	Evaluate : 36.0899 xx 100
Answer» ANSWER :`36.0899 XX 100 = 36.08 . 99`

Discussion

43.	Express each of the following as a recurring decimal : 22/7
Answer» ANSWER :`3.bar(142857)`

Discussion

44.	Milk is sold at the rate of Rs 38.50 per litre. How mch will 10 litres of milk cost? How mush will 100 litres of milk cost ?
Answer» ANSWER :`RS 385, Rs 3850`

Discussion

45.	Evaluate: (54-36)-[23-(11-5)]
Answer» ANSWER :1

Discussion

46.	For his birthday, Raman brought 65 chocolates, 54 cookies, and 40 pens. How will he distribute them among his 20 classmates so that everyone gets the same number of chocolates, cookies, and pens? Also, calculate the number of chocolates, cookies, and pens still left with Raman.
Answer» ` ANSWER :Raman's CLASSMATES get 3 chocolates, 2 cookies, and 2 pens each. Raman is STILL LEFT with 5 chocolates, 14 cookies, and no pens.

Discussion

47.	Ratan is four times as old as Mita. If the sum of their ages is 20 years, find their ages.
Answer» ANSWER :4 YEARS , 16 years

Discussion

48.	Anjali had read (2)/(3) of the book when she sat in her school bus. (1)/(4) of the book was left when she got off from the bus. How much did she read in the bus?
Answer» ANSWER :`(1)/(12)`

Discussion

49.	Verify andstate the property used in each of the following. (-67) times (293)=67 times (-293)
Answer» ANSWER :COMMUTATIVE PROPERTY for MULTIPLICATION

Discussion

50.	Evaluate: 16.848 div 60
Answer» ANSWER :`0.2808`

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Arrange (9)/(11), (9)/(7), (9)/(15), (9)/(13), (9)/(5) in ascending order.

For a triangle ABC, fill in the blanks using >,

Through what different angles should a rectanglebe rotated to be in symmetrical position with the original position?

Multiply the 187.04 xx 23.10

Evaluate: (-52) times (-9)

Evaluate: 2 (1)/(2) div (3)/(4)

The wall of a room is 16 long and 6 m high. There is a long rectangular window in the wall measuring 3 m long and I m high. Find the cost of painting the wall at the rate of Rs15 per sq. m.

Find the rate of interest per annum at which ₹900 will yield an interest on ₹180 in 5 years.

Solve: 6.206 div 10.7

Find: d. (4)/(25) div (16)/( 35)

A wall is 11 m long and 4 m high. It has a door which is 2 m high and 1.5m wide. Find the cost of painting the wall at the rate of Rs 6 per sq. m.

An increase in the radius of a circle results in an increase of 6 (2)/(7) cm in the circumference. Find the increase in the radius.

Solve the equationsand check your answer in the each case: (2x+3)/(3)-(3x-2)/(4)=1

Evaluate: e. 7 (1)/(6) + 8 (4)/(5) - 9 (2)/(3)

Simplify 3 4/7 div5

Evaluate : 3^(5)-:2^(5)

Convert the following decimals into like decimals : 8.1, 9.4 , 6.05 , 12

A rectangular field is such that its length is one and a half times its breadth. A thick white line is drawn all along the edges of the field. If the total length of the white line is 200 m, find the length of the sides of the field.

Solve : (x+3)/(7)-(3x-5)/(5)=(2x-5)/(3)-25

At what rate per cent per annum simple interest will a sum double itself in 8 years ?

Evaluate: [9+(7-8)]-[(21+6)-(22-15)]

Evaluate the following. 76-(-56)

Find the reciprocal of 13/17

Evaluate: 0.0672 div 0.21

Find the area of a rectangular garden which is 120.5 m long and 20.6 m wide.

Evaluate (-5) times 3.

Round off : 0.047 , correct to 2 decimal places

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

The median of 8 numbers is 40. If 7 of these numbers are 22,58,31,44,25,45 and 50. find the eighth number.

Subtract the sum of -368 and 245 from -211.

Divide : 1.242 div 1.8

Find the area of the quadrilateral ABCD , given in the adjoining figure in which AB = 14 cm , BC = 78 cm , CD = 112cm BD = 50cm and DA = 48 cm .

Starting from (-6) times 4," find " (-6) times (-4).

Observe the bar graph given below : Read the bar graph carefully and answer the following questions : What is the ratio between the minimum sale and the maximum sale?

Observe the bar graph given below : Read the bar graph carefully and answer the following questions : What was the total sale during the week?

Solve the equationsand check your answer in the case: (x-4)/(7)-(x+4)/(5)=(x+3)/(7)

Express each of the following as fraction is simplest form : 1.6

A person borrowed Rs. 8000 at 2(1)/(2)% per annum under S.I. The sum borrowed is immediately given to another person at the same rate on the condition that the interest is compounded semi-annually. Find the amount gained by the first person in one year.

Convert each of the following fractions into a decimal : 11/20

Arun has a certain sum deposited in a bank at 5% per annum. The bank increases the rate of interest from 5% to 6%. Arun deposits ₹2000 more in his account. The annual interest received by him now is ₹220 more than before. Find his original deposite.

Evaluate : (0.2)^3

Evaluate : 36.0899 xx 100

Express each of the following as a recurring decimal : 22/7

Milk is sold at the rate of Rs 38.50 per litre. How mch will 10 litres of milk cost? How mush will 100 litres of milk cost ?

Evaluate: (54-36)-[23-(11-5)]

For his birthday, Raman brought 65 chocolates, 54 cookies, and 40 pens. How will he distribute them among his 20 classmates so that everyone gets the same number of chocolates, cookies, and pens? Also, calculate the number of chocolates, cookies, and pens still left with Raman.

Ratan is four times as old as Mita. If the sum of their ages is 20 years, find their ages.

Anjali had read (2)/(3) of the book when she sat in her school bus. (1)/(4) of the book was left when she got off from the bus. How much did she read in the bus?

Verify andstate the property used in each of the following. (-67) times (293)=67 times (-293)

Evaluate: 16.848 div 60