1907 + Interview Questions in Maths in Class 7

1.	Findthe value of x in each of the following : x : 1.6 : : 2.1 : 8.4
Answer» ANSWER :X = 0.4

Discussion

2.	Find the product : 0.6xx1.5xx0.7
Answer» ANSWER :0.63

Discussion

3.	625 paise = Rs "_______"
Answer» ANSWER :`6.25`

Discussion

4.	A ladder 17 m long reaches a window which is 8 m above the ground, on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window at a height of 15 m. Find the width of the street.
Answer» ANSWER :`8M`

Discussion

5.	The perimeter of a square and a rectangle are equal. If the square is of side 14 cm and the length of the rectangle is 16cm, find its breadth.
Answer» ANSWER :12 CM

Discussion

6.	By actual division, express of the followingrational numbers as a repeating decimal. 22/7
Answer» ANSWER :`3.bar(142857)`

Discussion

7.	Solve: 2/3x-3/(4)x+4/(5)x=2/15
Answer» ANSWER :`X = (8)/43`

Discussion

8.	Fill in the blanks. 5.5L = "_______"mL
Answer» ANSWER :`5500`

Discussion

9.	Write down the numerical as well as literal coefficient of each of the following monomials: (5)/(9) xyz^(2)
Answer» SOLUTION :N/A

Discussion

10.	Findthe perimeter and area of a rectangle of length 16 cm and breadth 12.5 cm .
Answer» ANSWER :`=200 CM^(2)`.

Discussion

11.	Evaluate: 0.1023 div 0.33
Answer» ANSWER :`0.31`

Discussion

12.	Ramakrishna borrowed Rs. 160000 from Anirudh at 10% per annum simple interest. After 2 years, when Ramakrishna wants to clear the debt, Anirudh insisted Ramakrishna to pay him at compound interest. How much more must Ramakrishna pay ?
Answer» RS. 800 Rs. 1620 Rs. 1600 Rs. 810 Solution :FIND AMOUNT at C.I. -amount at S.I.

Discussion

13.	Find the product : 3.61 xx 4.04
Answer» ANSWER :`14.5844`

Discussion

14.	Express each of the following rational numbers as the sum of an integer and a rational number : (i) (12)/(5) (ii) (-11)/(7) (iii) (-25)/(9) (iv) (-103)/(20)
Answer» ANSWER : (i) `2+(2)/(5)` (II) `-1+(-7)/(9)` (iii) `-2+((-7)/(9)` (iv) `-5+((-3)/(20))`

Discussion

15.	Round off : 54.863 , correct to 1 decimal place.
Answer» ANSWER :54.9

Discussion

16.	Find the reciprocal of 5/11
Answer» ANSWER :`11/5`

Discussion

17.	Evaluate : 0.0042 xx 1000
Answer» ANSWER :`0.0042 XX 1000 = 4.2`

Discussion

18.	Solve : 5(2x-3)-3(3x-7)=5
Answer» ANSWER :X = - 1

Discussion

19.	Identify monomials, binomials and trinomials from the following algebraic expressions: ax^(2) +bx xx y^(2)
Answer» SOLUTION :N/A

Discussion

20.	Solve: 2.3x-0.4=2.8+0.7x
Answer» ANSWER :X = 2

Discussion

21.	Evaluate: 6.9 xx 13
Answer» ANSWER :`89.70`

Discussion

22.	Which of the following are proper and improper fractions? b. (8)/(9)
Answer» ANSWER :PROPER FRACTIONS

Discussion

23.	Evaluate: 5.25 div 1000
Answer» ANSWER :`0.00525`

Discussion

24.	Find the mean proportion between 1 . 8 and 0.2
Answer» ANSWER :`0 . 6`

Discussion

25.	Convert each of the following fractions into a decimal : 7/8
Answer» ANSWER :0.875

Discussion

26.	Find the product : 0.6xx0.06xx0.006
Answer» ANSWER :0.000216

Discussion

27.	Mohan borrowed some money at 6% per annum. He had to pay ₹3600 as interest after 3 years. What sum did he borrow ?
Answer» ANSWER :` ₹ 20,000`

Discussion

28.	Express each of the following rations in simplest form :1 (3)/(4) : 2 (1)/(2) : 1 (1)/(6)
Answer» ANSWER :`21 : 30 : 14`

Discussion

29.	Mohit spent Rs 12.75 on pencils and Rs 32.55 on books. If he had Rs 125 with him in the beginning, how much money is left with him after buying the items?
Answer» ANSWER :`RS 79.70`

Discussion

30.	Evaluate: 3.12 xx 12
Answer» ANSWER :`37.44`

Discussion

31.	The perimeter of a rectangular grassy plot is 189 m and its breadth is 10.5 m . Find the length and area of the plot .
Answer» ANSWER :`84m,882m^(2)`

Discussion

32.	A centipede was crawling in a straight line. First it crawled for 8 (3)/(7) inch, then it crawled in the reverse direction for 5 (5)/(8) inch. Once again it reversed direction and crawled for 11 (1)/(2) inch in the original direction. How far away was it finally from the starting point?
Answer» ANSWER :`14 (17)/(56)` INCH

Discussion

33.	Evaluate : (i) (-3)/(5)+ (7)/(5)+(-1)/(5) (ii) (-12)/(7)+(3)/(7)+(-2)/(7) (iii) (11)/(-12)+ (3)/(-8)+ (1)/(4)(iv) (-16)/(9)+ (-5)/(12)+ (7)/(18) (v) -3+(1)/(8)+ (-2)/(5) (vi) (-13)/(8)+ (5)/(16)+(-1)/(4)
Answer» Answer :(i) `(3)/(5)` (ii) `(-11)/(7)` (iii) `(-25)/(24)` (iv)`(-6 5)/(36)` (v) `(-131)/(40)` (VI)`(-119)/(132)`

Discussion

34.	Two complementary angles differ by 8^(@). Find the angles.
Answer» ANSWER :`41^(@) and 49^(@)`

Discussion

35.	Find an equivalent fraction of (3)/(4) with: b. numerator 12.
Answer» ANSWER :`(12)/(16)`

Discussion

36.	Divide : 0.992 div 31
Answer» ANSWER :0.032

Discussion

37.	Divide: c. 33 div 3 (2)/(3)
Answer» ANSWER :`9`

Discussion

38.	A mixed fruit juice carton has apple and pineapple juice in the ratio 4:9. If the quantity of the apple juice is 4.8 L, find the quantity of juice in the carton and also the amount of pineapple juice in the carton.
Answer» ANSWER :`15.6` LITRES, `10.8` litres

Discussion

39.	Evaluate: f. 2 (1)/(3) xx 1 (5)/(28)
Answer» ANSWER :`2 (3)/(4)`

Discussion

40.	Find the product : 113.12 xx 2.09
Answer» ANSWER :`236.4208`

Discussion

41.	Simplify : (6.3xx0.3)/(0.1)
Answer» ANSWER :210

Discussion

42.	Divide : 0.03822 div 0.049
Answer» ANSWER :0.78

Discussion

43.	Express each of the following ratios in simplest form : 1 kg : 375 g
Answer» ANSWER :`8 : 3 `

Discussion

44.	Round off : 1.732 , correct to 1 decimal place
Answer» ANSWER :1.7

Discussion

45.	Vijay had Rs 730 with him. He purchased stationery worth Rs 280.75 and bough three cells. Each consting Rs 112.25. How much money is left with him ?
Answer» `"RS 118.50"` `"Rs 112.50"` `"Rs 122.50"` `"Rs 712.50"` ANSWER :B

Discussion

46.	There are 1089 students in a school. One-ninth of the students wear exactly one glove. Half of the others do not wear any gloves. How many gloves are being used by the students?
Answer» ANSWER :1089

Discussion

47.	If the ara of a circular field is 1386 sw. m , find its radius.
Answer» ANSWER :`3850 sq.m`

Discussion

48.	Find:(a)1/3"of"24(b)3/4"of"32 (c )5/9"of"45 (d)7/50"of"1000 (e )3/20"of"2020 (f)5/11"of"220 (g)4/9"of"54meter (h)6/7"of"35 liter (i) 1/6 of an hour (j)5/6"of"an year (k)7/20 of kg (l)9/20of a meter (m)7/8 odf a day (n)3/7of a week (o)7/50 of a liter
Answer» ANSWER :8, 24, 25, 140, 153, Rs. 100, 24M, 30L, 10MIN, 10months, 350g, 45cm, 21hr, 3 days, 140ml

Discussion

49.	Evaluate: 478.4 div 416
Answer» ANSWER :`1.15`

Discussion

50.	The minute hand of a clock is 3.5 cm long. What distance will its tip cover in 1 hour ?
Answer» ANSWER :`18.480m`

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Findthe value of x in each of the following : x : 1.6 : : 2.1 : 8.4

Find the product : 0.6xx1.5xx0.7

625 paise = Rs "_______"

A ladder 17 m long reaches a window which is 8 m above the ground, on one side of the street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window at a height of 15 m. Find the width of the street.

The perimeter of a square and a rectangle are equal. If the square is of side 14 cm and the length of the rectangle is 16cm, find its breadth.

By actual division, express of the followingrational numbers as a repeating decimal. 22/7

Solve: 2/3x-3/(4)x+4/(5)x=2/15

Fill in the blanks. 5.5L = "_______"mL

Write down the numerical as well as literal coefficient of each of the following monomials: (5)/(9) xyz^(2)

Findthe perimeter and area of a rectangle of length 16 cm and breadth 12.5 cm .

Evaluate: 0.1023 div 0.33

Ramakrishna borrowed Rs. 160000 from Anirudh at 10% per annum simple interest. After 2 years, when Ramakrishna wants to clear the debt, Anirudh insisted Ramakrishna to pay him at compound interest. How much more must Ramakrishna pay ?

Find the product : 3.61 xx 4.04

Express each of the following rational numbers as the sum of an integer and a rational number : (i) (12)/(5) (ii) (-11)/(7) (iii) (-25)/(9) (iv) (-103)/(20)

Round off : 54.863 , correct to 1 decimal place.

Find the reciprocal of 5/11

Evaluate : 0.0042 xx 1000

Solve : 5(2x-3)-3(3x-7)=5

Identify monomials, binomials and trinomials from the following algebraic expressions: ax^(2) +bx xx y^(2)

Solve: 2.3x-0.4=2.8+0.7x

Evaluate: 6.9 xx 13

Which of the following are proper and improper fractions? b. (8)/(9)

Evaluate: 5.25 div 1000

Find the mean proportion between 1 . 8 and 0.2

Convert each of the following fractions into a decimal : 7/8

Find the product : 0.6xx0.06xx0.006

Mohan borrowed some money at 6% per annum. He had to pay ₹3600 as interest after 3 years. What sum did he borrow ?

Express each of the following rations in simplest form :1 (3)/(4) : 2 (1)/(2) : 1 (1)/(6)

Mohit spent Rs 12.75 on pencils and Rs 32.55 on books. If he had Rs 125 with him in the beginning, how much money is left with him after buying the items?

Evaluate: 3.12 xx 12

The perimeter of a rectangular grassy plot is 189 m and its breadth is 10.5 m . Find the length and area of the plot .

A centipede was crawling in a straight line. First it crawled for 8 (3)/(7) inch, then it crawled in the reverse direction for 5 (5)/(8) inch. Once again it reversed direction and crawled for 11 (1)/(2) inch in the original direction. How far away was it finally from the starting point?

Evaluate : (i) (-3)/(5)+ (7)/(5)+(-1)/(5) (ii) (-12)/(7)+(3)/(7)+(-2)/(7) (iii) (11)/(-12)+ (3)/(-8)+ (1)/(4)(iv) (-16)/(9)+ (-5)/(12)+ (7)/(18) (v) -3+(1)/(8)+ (-2)/(5) (vi) (-13)/(8)+ (5)/(16)+(-1)/(4)

Two complementary angles differ by 8^(@). Find the angles.

Find an equivalent fraction of (3)/(4) with: b. numerator 12.

Divide : 0.992 div 31

Divide: c. 33 div 3 (2)/(3)

A mixed fruit juice carton has apple and pineapple juice in the ratio 4:9. If the quantity of the apple juice is 4.8 L, find the quantity of juice in the carton and also the amount of pineapple juice in the carton.

Evaluate: f. 2 (1)/(3) xx 1 (5)/(28)

Find the product : 113.12 xx 2.09

Simplify : (6.3xx0.3)/(0.1)

Divide : 0.03822 div 0.049

Express each of the following ratios in simplest form : 1 kg : 375 g

Round off : 1.732 , correct to 1 decimal place

Vijay had Rs 730 with him. He purchased stationery worth Rs 280.75 and bough three cells. Each consting Rs 112.25. How much money is left with him ?

There are 1089 students in a school. One-ninth of the students wear exactly one glove. Half of the others do not wear any gloves. How many gloves are being used by the students?

If the ara of a circular field is 1386 sw. m , find its radius.

Find:(a)1/3"of"24(b)3/4"of"32 (c )5/9"of"45 (d)7/50"of"1000 (e )3/20"of"2020 (f)5/11"of"220 (g)4/9"of"54meter (h)6/7"of"35 liter (i) 1/6 of an hour (j)5/6"of"an year (k)7/20 of kg (l)9/20of a meter (m)7/8 odf a day (n)3/7of a week (o)7/50 of a liter

Evaluate: 478.4 div 416

The minute hand of a clock is 3.5 cm long. What distance will its tip cover in 1 hour ?