1907 + Interview Questions in Maths in Class 7

1.	Multiply: f. 6 (2)/(5) xx (15)/(64)
Answer» ANSWER :`1 (1)/(2)`

Discussion

2.	Evaluate: 2.8 xx 14
Answer» ANSWER :`39.2`

Discussion

3.	Solve : 3x + 5 = 14
Answer» `2` `4` `3` `5` ANSWER :C

Discussion

4.	Evaluate : 2^(3)xx2^(5)
Answer» ANSWER :`2^(8)`

Discussion

5.	Convert the as directed 35 hectare into sq. m
Answer» ANSWER :`50.000sq.m`

Discussion

6.	Solve the following equations and verify the results. 6x+9=3x+57
Answer» ANSWER :X = 16

Discussion

7.	Express each of the followin rations in simplest form : (i) 75 paise: 3 rupes (ii) 1 m : 5cm: 63 cm (iii) 1 hour 5 minute : 45 minutes (iv) 8 months: 1 year(v) 2 kg250g : 3kg (vi) 1 km : 750 m
Answer» ANSWER :`1 : 4` `5 : 3` `13 : 9` `2 : 3` `3 : 4` `4 : 3`

Discussion

8.	Find the third proportional to : (1)/(9), (2)/(3)
Answer» ANSWER :4

Discussion

9.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 11/16
Answer» ANSWER :1.375

Discussion

10.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 807/1250
Answer» ANSWER :0.2472

Discussion

11.	State true of false. If the statements are correct, then state the property used. (49 div 7) times 5 ne 49 div (7 times 5)
Answer» ANSWER :1

Discussion

12.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 123/200
Answer» ANSWER :0.2125

Discussion

13.	Find the base of the triangle whose : area =2.4 dm^(2) , height = 80 cm
Answer» ANSWER :6 CM

Discussion

14.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 9/80
Answer» ANSWER :2.575

Discussion

15.	One angle of a triangle is thrice the smallest angle and the other angle is five times the smallest angle. Find the three angles.
Answer» ANSWER :`20^(@),60^(@),100^(@)`.

Discussion

16.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 431/500
Answer» ANSWER :0.008

Discussion

17.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 129/320
Answer» ANSWER :0.08

Discussion

18.	Round off : 0.845 correct to 2 decimal places
Answer» ANSWER :0.85

Discussion

19.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 44/125
Answer» ANSWER :0.608

Discussion

20.	Find the permeterof a square whose area is 196 cm^(2).
Answer» 86 cm 66 cm 56 cm 46 cm Answer :C

Discussion

21.	Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 17/20
Answer» ANSWER :1.4375

Discussion

22.	ABCD is a parallologram. From C perpendiculars CS and CT are drpopped upon AB and AD, respectively. Given AB = 16 cm, CS = 9 cm, and CT = 8 cm,find BC.
Answer» ANSWER :18 CM

Discussion

23.	Solve: 3/8(x-5)=9-2x
Answer» ANSWER :`X = (87)/19`

Discussion

24.	Evaluate: 16.34 + 8.92 - 6. 233
Answer» `19.047` `19.097` `19.027` `19.117` ANSWER :C

Discussion

25.	Simplify 6^(6)-:3^(3) and write in exponential form.
Answer» ANSWER :`2^(6)xx3^(3)`

Discussion

26.	Find the quotient. 35.03 div 100
Answer» ANSWER :`0.3503`

Discussion

27.	Evaluate : 12. 4 xx 14.6
Answer» ANSWER :`181.04`

Discussion

28.	Evaluate: 50 times (-5) +540 div [100-{80-(20 times 2)}]
Answer» ANSWER :-241

Discussion

29.	A labourer is engaged for 20 days on the condition that the will receive Rs. 280 for each day he works and will be fined Rs. 60 for each day he is absent. If he receives Rs. 2540 in all, for how many days did he remain absent?
Answer» ANSWER :9 DAYS

Discussion

30.	Evaluate: b. 5 (6)/(7) - 2 (5)/(6) - 1 (2)/(3)
Answer» ANSWER :`1 (5)/(14)`

Discussion

31.	Find (5)/(12) div 4.
Answer» ANSWER :`= (1)/(4)`

Discussion

32.	Express each of the following rational number in exponential form ( -32)/(3125)
Answer» ANSWER :` ((-2)/(5))^(5)`

Discussion

33.	Find the product : 2.75 xx1.7
Answer» ANSWER :4.675

Discussion

34.	Reena deposited ₹18,000 in a bank. She withdrew ₹5000 after 4 years. At the end of 9 years, she receives an amount of ₹21,220. Find the rate of interest.
Answer» ANSWER :0.06

Discussion

35.	A data collection has 10 numbers, 9 of which are 35, 70, 15, 59, 19, 15, 57, 26, and 34. If the median of this data is 32, find the tenth number.
Answer» ANSWER :30

Discussion

36.	Evaluate: 37 times (-52)
Answer» ANSWER :-1924

Discussion

37.	Find the area of a triangle with base 15 cm and height 8 cm.
Answer» ANSWER :`60 SQ. CM`

Discussion

38.	A number when divided by 4 is reduced by 21. Find the number.
Answer» ANSWER :28

Discussion

39.	a. A sum of money doubles itself in 4 years at a certain rate of interest. In how manyyears will it triple itself at the same rate of interest ? b. A sum of money trebles itself in 6 years at a certain rate of interest. In how many years will it become four times itself at the same rate of interest ?
Answer» ANSWER :a. 8 YEARS B. 9 years

Discussion

40.	Simplify: 2x^(2)+3xy -3y^(2)+x^(2)-xy+y^(2)
Answer» SOLUTION :N/A

Discussion

41.	Find: c. (16)/(25) div (36)/(15)
Answer» ANSWER :`(4)/(15)`

Discussion

42.	Evaluate: ((5)/(21) div (15)/(14)) + ((7)/( 8) xx (4)/(7))
Answer» ANSWER :`= (13)/(18)`

Discussion

43.	A juice can contains 22 (2)/(3) litres of juice. How many jugs of capacity 1 (1)/(3) litres are required to empty the can?
Answer» ANSWER :17 JUGS

Discussion

44.	Evaluate: c. 28 div 1 (3)/(11)
Answer» ANSWER :22

Discussion

45.	Find three consecutive even numbers whose sum is 66.
Answer» ANSWER :20,22,24

Discussion

46.	Evaluate: 0.0133 div 0.07
Answer» ANSWER :`0.19`

Discussion

47.	65 mm = "___________" cm
Answer» ANSWER :`6.5`

Discussion

48.	A sum of Rs. 3000 is partly lent at 3% per annum simple interest for (7)/(2) years and partly at 2% per annum simple interest for 4 years. If total interest earned is Rs. 280, then the sum lent at 3% per annum is
Answer» RS. 1600 Rs. 1400 Rs. 1800 Rs. 2000 Solution :USE formula for AMOUNT at different rates.

Discussion

49.	Multiply 3.05 by 0.75
Answer» ANSWER :2.2875

Discussion

50.	Write three capital letters of the English alphabet that do not have line symmetry but have rotational symmetry?
Answer» ANSWER :S, N, Z

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Multiply: f. 6 (2)/(5) xx (15)/(64)

Evaluate: 2.8 xx 14

Solve : 3x + 5 = 14

Evaluate : 2^(3)xx2^(5)

Convert the as directed 35 hectare into sq. m

Solve the following equations and verify the results. 6x+9=3x+57

Express each of the followin rations in simplest form : (i) 75 paise: 3 rupes (ii) 1 m : 5cm: 63 cm (iii) 1 hour 5 minute : 45 minutes (iv) 8 months: 1 year(v) 2 kg250g : 3kg (vi) 1 km : 750 m

Find the third proportional to : (1)/(9), (2)/(3)

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 11/16

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 807/1250

State true of false. If the statements are correct, then state the property used. (49 div 7) times 5 ne 49 div (7 times 5)

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 123/200

Find the base of the triangle whose : area =2.4 dm^(2) , height = 80 cm

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 9/80

One angle of a triangle is thrice the smallest angle and the other angle is five times the smallest angle. Find the three angles.

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 431/500

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 129/320

Round off : 0.845 correct to 2 decimal places

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 44/125

Find the permeterof a square whose area is 196 cm^(2).

Without actual division, show that each of the rational numbers given below is expressible as a terminating decimal : 17/20

ABCD is a parallologram. From C perpendiculars CS and CT are drpopped upon AB and AD, respectively. Given AB = 16 cm, CS = 9 cm, and CT = 8 cm,find BC.

Solve: 3/8(x-5)=9-2x

Evaluate: 16.34 + 8.92 - 6. 233

Simplify 6^(6)-:3^(3) and write in exponential form.

Find the quotient. 35.03 div 100

Evaluate : 12. 4 xx 14.6

Evaluate: 50 times (-5) +540 div [100-{80-(20 times 2)}]

A labourer is engaged for 20 days on the condition that the will receive Rs. 280 for each day he works and will be fined Rs. 60 for each day he is absent. If he receives Rs. 2540 in all, for how many days did he remain absent?

Evaluate: b. 5 (6)/(7) - 2 (5)/(6) - 1 (2)/(3)

Find (5)/(12) div 4.

Express each of the following rational number in exponential form ( -32)/(3125)

Find the product : 2.75 xx1.7

Reena deposited ₹18,000 in a bank. She withdrew ₹5000 after 4 years. At the end of 9 years, she receives an amount of ₹21,220. Find the rate of interest.

A data collection has 10 numbers, 9 of which are 35, 70, 15, 59, 19, 15, 57, 26, and 34. If the median of this data is 32, find the tenth number.

Evaluate: 37 times (-52)

Find the area of a triangle with base 15 cm and height 8 cm.

A number when divided by 4 is reduced by 21. Find the number.

Simplify: 2x^(2)+3xy -3y^(2)+x^(2)-xy+y^(2)

Find: c. (16)/(25) div (36)/(15)

Evaluate: ((5)/(21) div (15)/(14)) + ((7)/( 8) xx (4)/(7))

A juice can contains 22 (2)/(3) litres of juice. How many jugs of capacity 1 (1)/(3) litres are required to empty the can?

Evaluate: c. 28 div 1 (3)/(11)

Find three consecutive even numbers whose sum is 66.

Evaluate: 0.0133 div 0.07

65 mm = "___________" cm

A sum of Rs. 3000 is partly lent at 3% per annum simple interest for (7)/(2) years and partly at 2% per annum simple interest for 4 years. If total interest earned is Rs. 280, then the sum lent at 3% per annum is

Multiply 3.05 by 0.75

Write three capital letters of the English alphabet that do not have line symmetry but have rotational symmetry?