1907 + Interview Questions in Maths in Class 7

1.	A car can travel 12(1)/(2) km in 1 litre of petrohow much distancescan it travel in 42(3)/(5) litres of petrol
Answer» ANSWER :`532(1)/(2)KM`

Discussion

2.	Solve : (x-2)/4+1/3=x-(2x-1)/3
Answer» ANSWER :X = - 6

Discussion

3.	Neha wants Swati to deliver a box containing 50 glasses to her friend's house. Neha promises to pay Swati Rs3 for every glass she delivers and fine her Rs2 for every glass she breaks. If Swati receives Rs90 from Neha, find the number of glasses that were broken on the way.
Answer» ANSWER :12 GLASSES

Discussion

4.	Find the product : 2.04 xx 3.56
Answer» ANSWER :`7.2624`

Discussion

5.	Which central tendency has been used to arrive at the following statements?One-half of the laptops at a store cost more than Rs 55,000.
Answer» ANSWER :MEDIAN

Discussion

6.	Multiply the 0.0009 xx 9.09
Answer» ANSWER :`0.008181`

Discussion

7.	Solve: 1.3y-1.6=5.75-0.8y
Answer» ANSWER :y = 3.5

Discussion

8.	Solve the following equations and verify the results. 4(3x+5)-6(2-x)=8(7+x)+22
Answer» ANSWER :`X = 7`

Discussion

9.	The perimeterof a rectangular field is 216metres and its breadth is 40 metres . Find the length and areaof the rectangle.
Answer» `=4720 m^(2)`. `=3720 m^(2)`. `=2920 m^(2)`. `=2720 m^(2)`. ANSWER :D

Discussion

10.	Manish buys Rs 8.75 metro ticket with a Rs 20 note. How much money does he get back ?
Answer» ANSWER :RS 11.25

Discussion

11.	Express each of the following ratios in simplest form : (1)/(9) : (1)/(6)
Answer» ANSWER :`2 : 3 `

Discussion

12.	One number is 4 times the other and the difference between the two numbers is 21. Find the two numbers.
Answer» ANSWER :7 and 28

Discussion

13.	Calculate the area of the shaded region in each of the figures given below. Fig (11) has a uniform width of 3 cm and it is given that AB=CD.
Answer» ANSWER :(i)`126M^(2)`(II)`114M^(2)`

Discussion

14.	If a : b = 5 : 6 and b : c = 12 : 25 , find a : c
Answer» ANSWER :`a : C = 2 : 5 `

Discussion

15.	State true or false. If the statements are correct, then state the property used. (412 times 216) times 187=412 times (216 times 187)
Answer» TRUE; COMMUTATIVE property of multiplication True; ASSOCIATIVE property of multiplication False True; DISTRIBUTIVE property of multiplication over addition Answer :B

Discussion

16.	Evaluate the following after simplifying the multiplication using properties of multiplication. 43 times 13
Answer» ANSWER :559

Discussion

17.	If the ratio of the radii of two circles is 2:3, find the ratio of their areas.
Answer» ANSWER :`7M`

Discussion

18.	Round off each of the following to the nearest whole number : 65.83
Answer» ANSWER :66

Discussion

19.	Pranav had a basket of fruits. He gave one-fourth of the fruits to a friend, three-fifths to his cousin, and ate the remaining 6 fruits himself. Find the total numberof fruits in the basket.
Answer» `8` `40` `6` `48` ANSWER :B

Discussion

20.	Subtract the sum of (x^2+2y^2+7x^2y) and (x^2-3xy^2) from the sum of (x^2-y^2-xy) and (3x^2-2y^2-7)
Answer» ANSWER :`3xy^2+7`

Discussion

21.	Find the product : 3.67 xx 0.42
Answer» ANSWER :`154.308`

Discussion

22.	Solve: 30.13 div 1.31
Answer» ANSWER :`23`

Discussion

23.	Convert the as directed 2.6 sq cm into sq. mm
Answer» ANSWER :`260 SQ. MM`

Discussion

24.	Multiply : 9.07xx10
Answer» ANSWER :90.7

Discussion

25.	Find the area of the parallelogram having : base = 3.8 m , height = 1.25 m
Answer» ANSWER :`4.75m^(2)`

Discussion

26.	Find the area of a quadrilateral which has one diagonal measuring 22 cm, and the perpendiculars from the opposite vertices on this diagonal are 6 cm and 10 cm, respectively.
Answer» ANSWER :192 SQ. CM

Discussion

27.	Find the reciprocal of 1
Answer» ANSWER :`=1`

Discussion

28.	Find the reciprocal of 217
Answer» ANSWER :`(1)/( 217)`

Discussion

29.	A bag had 90 marbles. John came and took 38 away and Amit put in some more marbles in the bag. If the number of marbles in the bag now are 15 more than the number that was in the bag initially, find how many marbles Amit had put in the bag.
Answer» ANSWER :53

Discussion

30.	Ajay had 3 bars of chocolate. He gave 1 - (1)/(4) to his sister. How much chocolate is left with him?
Answer» ANSWER :`1 (3)/(4)`

Discussion

31.	Evaluate : (-3)^(6)xx(-2)^(6)
Answer» ANSWER :`6^(6)`

Discussion

32.	A path of width 3.5 m runs all around a circular pool having an area of 962.5 m^(2). Find the area of the path .
Answer» ANSWER :`423.5m^(2)`

Discussion

33.	There are some 50 paisa and some 25 paisa coinsin a ba. If the total number of coins is 30 and their total value is Rs. 11, find the number of coins of each kind.
Answer» ANSWER :NUMBER of 50-p COINS = 14, Number of 25-p coins = 16

Discussion

34.	Aman walked 63m due east. He then turned and walkeed for 16 m due north. How far is he from the starting point ?
Answer» ANSWER :65 m

Discussion

35.	Rohit invested ₹10,000 at 18% p.a. Three years later, he invested another₹5000. What amount will he get after 6 years from the initial investment ?
Answer» ANSWER :₹ 28,500

Discussion

36.	The total cost of 3 tables and 2 chairs is Rs. 8745. If a table costs Rs. 40 more than a chair, find theprice of each.
Answer» ANSWER :COST of a table = RS. 1765, Cost of a CHAIR = Rs. 1725

Discussion

37.	Write the value of : 7.451 to the nearest hundredths
Answer» ANSWER :7.45

Discussion

38.	Write three capital letters of the English alphabet which have neither rotational symmetry nor reflection symmetry.
Answer» <P> ANSWER :Q, P, L

Discussion

39.	Multiply : 0.023xx65
Answer» ANSWER :1.495

Discussion

40.	Solve : 3x + 2 (x+2) = 20 - (2x -5)
Answer» ANSWER :`X = 3`

Discussion

41.	Milk is sold at the rate of Rs 42.50 per litre. How much will 12.5 litres of milk cost ?
Answer» ANSWER :`RS 531.25`

Discussion

42.	Divide 1 div6(2)/(3)
Answer» ANSWER :`3/20`

Discussion

43.	Multiply the 141.41 xx 1.14
Answer» ANSWER :`161.2074`

Discussion

44.	State true of false. If the statements are correct, then state the property used. 16 times (23-12)=(16 times 23)-(16 times 12)
Answer» Answer :True; DISTRIBUTIVE property of multiplication over SUBTRACTION

Discussion

45.	By actural division , express each of the following asa repeating decimal : 2000/33
Answer» ANSWER :`60.bar(60)`

Discussion

46.	Evaluate: 1.42 xx 11
Answer» ANSWER :`15.62`

Discussion

47.	If the area of a circular pond is 49pisq. ft what will be the cost of erecting a 2 feet high wall around it at Rs 50 per feet ?
Answer» ANSWER :2200

Discussion

48.	Add the following expressions: 3x^(3)+2x^(2)-6x+3, 2x^(3)-3x^(2)-x-4, 1+2x-3x^(2)-4x^(3)
Answer» SOLUTION :N/A

Discussion

49.	21.84 div 7
Answer» ANSWER :`3.12`

Discussion

50.	Express each of the following ratios in simplest form : 6a : 9b
Answer» ANSWER :`2A : 3N `

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

A car can travel 12(1)/(2) km in 1 litre of petrohow much distancescan it travel in 42(3)/(5) litres of petrol

Solve : (x-2)/4+1/3=x-(2x-1)/3

Neha wants Swati to deliver a box containing 50 glasses to her friend's house. Neha promises to pay Swati Rs3 for every glass she delivers and fine her Rs2 for every glass she breaks. If Swati receives Rs90 from Neha, find the number of glasses that were broken on the way.

Find the product : 2.04 xx 3.56

Which central tendency has been used to arrive at the following statements?One-half of the laptops at a store cost more than Rs 55,000.

Multiply the 0.0009 xx 9.09

Solve: 1.3y-1.6=5.75-0.8y

Solve the following equations and verify the results. 4(3x+5)-6(2-x)=8(7+x)+22

The perimeterof a rectangular field is 216metres and its breadth is 40 metres . Find the length and areaof the rectangle.

Manish buys Rs 8.75 metro ticket with a Rs 20 note. How much money does he get back ?

Express each of the following ratios in simplest form : (1)/(9) : (1)/(6)

One number is 4 times the other and the difference between the two numbers is 21. Find the two numbers.

Calculate the area of the shaded region in each of the figures given below. Fig (11) has a uniform width of 3 cm and it is given that AB=CD.

If a : b = 5 : 6 and b : c = 12 : 25 , find a : c

State true or false. If the statements are correct, then state the property used. (412 times 216) times 187=412 times (216 times 187)

Evaluate the following after simplifying the multiplication using properties of multiplication. 43 times 13

If the ratio of the radii of two circles is 2:3, find the ratio of their areas.

Round off each of the following to the nearest whole number : 65.83

Pranav had a basket of fruits. He gave one-fourth of the fruits to a friend, three-fifths to his cousin, and ate the remaining 6 fruits himself. Find the total numberof fruits in the basket.

Subtract the sum of (x^2+2y^2+7x^2y) and (x^2-3xy^2) from the sum of (x^2-y^2-xy) and (3x^2-2y^2-7)

Find the product : 3.67 xx 0.42

Solve: 30.13 div 1.31

Convert the as directed 2.6 sq cm into sq. mm

Multiply : 9.07xx10

Find the area of the parallelogram having : base = 3.8 m , height = 1.25 m

Find the area of a quadrilateral which has one diagonal measuring 22 cm, and the perpendiculars from the opposite vertices on this diagonal are 6 cm and 10 cm, respectively.

Find the reciprocal of 1

Find the reciprocal of 217

A bag had 90 marbles. John came and took 38 away and Amit put in some more marbles in the bag. If the number of marbles in the bag now are 15 more than the number that was in the bag initially, find how many marbles Amit had put in the bag.

Ajay had 3 bars of chocolate. He gave 1 - (1)/(4) to his sister. How much chocolate is left with him?

Evaluate : (-3)^(6)xx(-2)^(6)

A path of width 3.5 m runs all around a circular pool having an area of 962.5 m^(2). Find the area of the path .

There are some 50 paisa and some 25 paisa coinsin a ba. If the total number of coins is 30 and their total value is Rs. 11, find the number of coins of each kind.

Aman walked 63m due east. He then turned and walkeed for 16 m due north. How far is he from the starting point ?

Rohit invested ₹10,000 at 18% p.a. Three years later, he invested another₹5000. What amount will he get after 6 years from the initial investment ?

The total cost of 3 tables and 2 chairs is Rs. 8745. If a table costs Rs. 40 more than a chair, find theprice of each.

Write the value of : 7.451 to the nearest hundredths

Write three capital letters of the English alphabet which have neither rotational symmetry nor reflection symmetry.

Multiply : 0.023xx65

Solve : 3x + 2 (x+2) = 20 - (2x -5)

Milk is sold at the rate of Rs 42.50 per litre. How much will 12.5 litres of milk cost ?

Divide 1 div6(2)/(3)

Multiply the 141.41 xx 1.14

State true of false. If the statements are correct, then state the property used. 16 times (23-12)=(16 times 23)-(16 times 12)

By actural division , express each of the following asa repeating decimal : 2000/33

Evaluate: 1.42 xx 11

If the area of a circular pond is 49pisq. ft what will be the cost of erecting a 2 feet high wall around it at Rs 50 per feet ?

Add the following expressions: 3x^(3)+2x^(2)-6x+3, 2x^(3)-3x^(2)-x-4, 1+2x-3x^(2)-4x^(3)

21.84 div 7

Express each of the following ratios in simplest form : 6a : 9b