1907 + Interview Questions in Maths in Class 7

1.	The sum of three consecutive multiples of 3 is 54. Find them
Answer» ANSWER :15,18,21

Discussion

2.	Poonam is asked by her cousin to deliver a box containing 20 chocolates to her friend. Poonam is promised a reward of Rs. 3 for every chocolate she delivers but also a fine of Rs. 6 for every chocolate that she eats on the way. If Poonam eats up 5 chocolates on the way and delivers the rest, how much money will she receives from her cousin?
Answer» ANSWER :RS. 15

Discussion

3.	Solve the following equations.Check your result in each case(x+2)/x-2=7/3
Answer» ANSWER :`x=5`

Discussion

4.	Find the third proportional to : 36, 12
Answer» ANSWER :4

Discussion

5.	Convert : 8cm^(2) "to" mm^(2)
Answer» ANSWER :`=800MM^(2)`.

Discussion

6.	Fill in the blanks : 23/55 = ........
Answer» ANSWER :`1.4bar(18)`

Discussion

7.	Multiply : 0.86xx14
Answer» ANSWER :12.04

Discussion

8.	Evaluate : (5^(2))^(6)
Answer» ANSWER :`5^(2xx6)`

Discussion

9.	Divide : 3.05div10
Answer» ANSWER :0.305

Discussion

10.	Find the time in which the simple interest at 2% per annum on a sum of money is (1)/(25) of the principal.
Answer» ANSWER :2 YEARS

Discussion

11.	Two numbers are in the ratio 9 : 13 and their sum is 176 . Find the number .
Answer» ANSWER :72 and 104

Discussion

12.	Mark and Peter borrowed ₹2250 and ₹2500, respectively, at the same rate of simple interest for 3 years. Peter pat ₹45 more as interest than what Mark paid. Find the rate of interest per annum.
Answer» ANSWER :0.06

Discussion

13.	Divide: f. 4 (2)/(7) div 2 (2)/(5)
Answer» ANSWER :`1 (11)/(14)`

Discussion

14.	A train of length 120 m, travelling at 30 m/s takes30 s to overtake another train of length 240 m. If both the trains are travelling in the same direction, then find the speed of the longer train.
Answer» ANSWER :18 m/s

Discussion

15.	Calculate the area of the quadrilateral PQRS shown in the adjoining figure, it being given that PR = 8 cm , RQ = 17 cm , angle RPQ=90^(@),RS=6cm and anglePRS=90^(@)
Answer» ANSWER :`105CM^(2)`

Discussion

16.	Divide ₹ 3900 between Kunal and Kirti inthe ratio 15 : 11
Answer» ANSWER :Kunal'SHARE = ₹ 2250, KIRTI's share = ₹ 1650

Discussion

17.	Two supplementary angles differ by 44^(@). Find the angles.
Answer» ANSWER :112, 68

Discussion

18.	Find the simple interest on : a. ₹3500 at 4% p.a. for 5 years. b. ₹4300 at 6% p.a. for 3 years.
Answer» ANSWER :a. ₹700 B. ₹774

Discussion

19.	Evaluate : (2^(3))^(4)
Answer» ANSWER :`2^(12)`

Discussion

20.	Simplify : b. (5)/(9) div ((3)/(10) xx (5)/(12))
Answer» ANSWER :`4 (4)/(9)`

Discussion

21.	Fill in the blanks and state the property used: (-45) times (69+8)=[(-45) times 69]+_______
Answer» Answer :`[(-45times 8)]`, DISTRIBUTIVE PROPERTY of MULTIPLICATION over addition

Discussion

22.	For the information given in the above question, find the heights of the bars, when the data represente in a bar graph : Scale of the graph : 1 cm = Rs. 500.
Answer» ANSWER :`7.2` CM, `4.8` cm, `4.2` cm, `2.4` cm, `3` cm

Discussion

23.	Following is a data sample in ascending order. The data has mean 4.1 and mode 4.9. Find the missing numbers. 2.43.13.8X4.9Y 5.4
Answer» ANSWER :4,2,4,9

Discussion

24.	Convert 29(5)/8 into decimals .
Answer» ANSWER :29.625

Discussion

25.	Divide:i 65 by-13ii -84 by 12iii-76 by 19iv -132 by 12v -150 by 25vi -72 by-18vii -105 by-21viii -36 by -1ix 0 by -31x -63 by 63xi -23 by -23xii -8 by 1
Answer» Answer :i-5 ii -7 iii -4 IV -11 V -6 vi -4 vii 5 viii36 ix 0 x -1 xi 1 xii -8

Discussion

26.	Findthe perimeter of : a triangle having sides of lenghts 5.5 cm , 6 cm and 6.5 cm.
Answer» ANSWER :`=18` CM.

Discussion

27.	Find the degree of the polynomial 9x^3-2x+17x^2y-y^4+14
Answer» ANSWER :4

Discussion

28.	A dataCollection has 20 distinct observations with median 22. One more number is included in the data, but the median does not change. Find this number
Answer» ANSWER :22

Discussion

29.	Find the time in which ₹800 will earn an in interest of ₹120 at 5% per annum.
Answer» ANSWER :3 YEARS

Discussion

30.	Evaluate: 162.5 div 5
Answer» ANSWER :`32.5`

Discussion

31.	A car moves at a constant speed of 56.4 km per hour. How much distance does it cover in 3.5 hours ?
Answer» ANSWER :197.4 KM

Discussion

32.	Classify into monomials, binomials and trinomials. ab+bc+ca
Answer» ANSWER :TRINOMIAL

Discussion

33.	Find the area of a circular plate of radius 1.4 m.
Answer» ANSWER :`4:9`

Discussion

34.	Findthe area ofa quadrilateral ABCD whose diagonal AC is 25 cm long and the lengths of perpendiculars from opposite vertices B and D on AC are BE = 3.6 cm and DF = 2.4 cm .
Answer» ANSWER :`75CM^(2)`

Discussion

35.	Shikha had 42 pencils with her. She starts giving out 5 at a time to her classmates. How many pencils are left with her after she has distributed 5 pencils each to seven of her classmates?
Answer» ANSWER :7

Discussion

36.	Write the following divisions as fractions. b. 15 div 8= __________
Answer» ANSWER :`15/8`

Discussion

37.	Evaluate: 0.002 xx 100
Answer» ANSWER :`0.2`

Discussion

38.	Find the area and perimeter of the shaded part in each of the following figures .
Answer» ANSWER :`46M^(2)`

Discussion

39.	Find the area and perimeter of the shaded part in each of the following figures .
Answer» ANSWER :`53.5m^(2)`

Discussion

40.	Find the area and perimeter of the shaded part in each of the following figures .
Answer» ANSWER :`127m^(2)`

Discussion

41.	Find the area and perimeter of the shaded part in each of the following figures .
Answer» ANSWER :`70M^(2)`

Discussion

42.	Simplify the following 4x-(3x+3)-[2x-4[x+3(x-5)}]
Answer» ANSWER :`15x-63`

Discussion

43.	Compare the following : a. Radius of Earth and the distance ( by road) from Srinagar to Bengaluru b. Distances between Earth to Moon and Earth to Mercury. c. Distances between Sun to Mercury and Sun to Pluto. d. Mass of Earth and Jupiter.
Answer» ANSWER :`6`

Discussion

44.	Solve : 7-5x=5 - 7x
Answer» ANSWER :X = - 1

Discussion

45.	Convert 0.bar(23) to a vulgar fraction.
Answer» ANSWER :`23/99`

Discussion

46.	Evaluate: 24 div (-1)
Answer» ANSWER :-24

Discussion

47.	Evaluate: c. 4 (5)/(7) xx 3
Answer» ANSWER :`14 (1)/(7)`

Discussion

48.	Solve: x/3-2=(x)/4+5
Answer» ANSWER :X = 84

Discussion

49.	What will be the sign of the product if we multiply: (-1) ten times?
Answer» ANSWER :POSITIVE

Discussion

50.	Multiply : 2.68xx30
Answer» ANSWER :80.4

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

The sum of three consecutive multiples of 3 is 54. Find them

Solve the following equations.Check your result in each case(x+2)/x-2=7/3

Find the third proportional to : 36, 12

Convert : 8cm^(2) "to" mm^(2)

Fill in the blanks : 23/55 = ........

Multiply : 0.86xx14

Evaluate : (5^(2))^(6)

Divide : 3.05div10

Find the time in which the simple interest at 2% per annum on a sum of money is (1)/(25) of the principal.

Two numbers are in the ratio 9 : 13 and their sum is 176 . Find the number .

Mark and Peter borrowed ₹2250 and ₹2500, respectively, at the same rate of simple interest for 3 years. Peter pat ₹45 more as interest than what Mark paid. Find the rate of interest per annum.

Divide: f. 4 (2)/(7) div 2 (2)/(5)

A train of length 120 m, travelling at 30 m/s takes30 s to overtake another train of length 240 m. If both the trains are travelling in the same direction, then find the speed of the longer train.

Calculate the area of the quadrilateral PQRS shown in the adjoining figure, it being given that PR = 8 cm , RQ = 17 cm , angle RPQ=90^(@),RS=6cm and anglePRS=90^(@)

Divide ₹ 3900 between Kunal and Kirti inthe ratio 15 : 11

Two supplementary angles differ by 44^(@). Find the angles.

Find the simple interest on : a. ₹3500 at 4% p.a. for 5 years. b. ₹4300 at 6% p.a. for 3 years.

Evaluate : (2^(3))^(4)

Simplify : b. (5)/(9) div ((3)/(10) xx (5)/(12))

Fill in the blanks and state the property used: (-45) times (69+8)=[(-45) times 69]+_______

For the information given in the above question, find the heights of the bars, when the data represente in a bar graph : Scale of the graph : 1 cm = Rs. 500.

Following is a data sample in ascending order. The data has mean 4.1 and mode 4.9. Find the missing numbers. 2.43.13.8X4.9Y 5.4

Convert 29(5)/8 into decimals .

Divide:i 65 by-13ii -84 by 12iii-76 by 19iv -132 by 12v -150 by 25vi -72 by-18vii -105 by-21viii -36 by -1ix 0 by -31x -63 by 63xi -23 by -23xii -8 by 1

Findthe perimeter of : a triangle having sides of lenghts 5.5 cm , 6 cm and 6.5 cm.

Find the degree of the polynomial 9x^3-2x+17x^2y-y^4+14

A dataCollection has 20 distinct observations with median 22. One more number is included in the data, but the median does not change. Find this number

Find the time in which ₹800 will earn an in interest of ₹120 at 5% per annum.

Evaluate: 162.5 div 5

A car moves at a constant speed of 56.4 km per hour. How much distance does it cover in 3.5 hours ?

Classify into monomials, binomials and trinomials. ab+bc+ca

Find the area of a circular plate of radius 1.4 m.

Findthe area ofa quadrilateral ABCD whose diagonal AC is 25 cm long and the lengths of perpendiculars from opposite vertices B and D on AC are BE = 3.6 cm and DF = 2.4 cm .

Shikha had 42 pencils with her. She starts giving out 5 at a time to her classmates. How many pencils are left with her after she has distributed 5 pencils each to seven of her classmates?

Write the following divisions as fractions. b. 15 div 8= __________

Evaluate: 0.002 xx 100

Find the area and perimeter of the shaded part in each of the following figures .

Find the area and perimeter of the shaded part in each of the following figures .

Find the area and perimeter of the shaded part in each of the following figures .

Find the area and perimeter of the shaded part in each of the following figures .

Simplify the following 4x-(3x+3)-[2x-4[x+3(x-5)}]

Compare the following : a. Radius of Earth and the distance ( by road) from Srinagar to Bengaluru b. Distances between Earth to Moon and Earth to Mercury. c. Distances between Sun to Mercury and Sun to Pluto. d. Mass of Earth and Jupiter.

Solve : 7-5x=5 - 7x

Convert 0.bar(23) to a vulgar fraction.

Evaluate: 24 div (-1)

Evaluate: c. 4 (5)/(7) xx 3

Solve: x/3-2=(x)/4+5

What will be the sign of the product if we multiply: (-1) ten times?

Multiply : 2.68xx30