1907 + Interview Questions in Maths in Class 7

1.	Solve the equationsand check your answer in the case: (5)/(8)x-6=9
Answer» ANSWER :X = 24

Discussion

2.	Convert the as direct. 6.5sq. m into sq. cm
Answer» ANSWER :`10 XX 10 ^(6) m ^(2)`

Discussion

3.	Divide : 0.068div 0.17
Answer» ANSWER :0.4

Discussion

4.	find(1) 32% of 425 (2)16.2/3% of 16(3)6.5% of 400 (4)136% of 70 (5)2.8% of 35 (6)0.6% of 45
Answer» ANSWER :`136` `2.1/2` 26 95.2 0.98 0.27

Discussion

5.	When a cyclist ridesa cycle the wheel of the cycle having radius 77 cm makes 500 revolutions in 5 minutes .Findthe speed of the cycle in km per hour . (Take pi=(22)/(7))
Answer» ANSWER :29.04 KM PER HOUR .

Discussion

6.	In -5p^(2)q^(3)r^(4), write down the coefficient of : -pq^(2)r^(3)
Answer» SOLUTION :N/A

Discussion

7.	Identify which of the following expressions are polynomials. If so, write their degrees. (2)/(3)x^(4)-7x+15
Answer» SOLUTION :N/A

Discussion

8.	Write each of the following decimals into expanded form : 2314.57
Answer» ANSWER :`(2000+3000+10+4+5/10+7/100)`

Discussion

9.	A milk vendor was selling milk to customers from a vessel containing 12 (4)/(5) litres of milk. He sold of11 (1)/(2) litres and then refilled the vessel with 9(4)/(15) litres of milk again. How much milk is available with the vendor now?
Answer» `=8 (17)/(30)` LITRES `=11 (17)/(30)` litres `=10 (17)/(30)` litres `=10 (17)/(57)` litres Answer :C

Discussion

10.	The mean of numbers is 25, seven of these 10 numbers are 13,14,15,16,17,20,21,22 and 32. Find the remaining 3 numbers if these 3 numbers are in the ratio 2 : 3 : 5
Answer» ANSWER :16,24,40

Discussion

11.	Write the following statements in the form of equations. 3 less than 5 times a number y is equal to the sum of 8 and 3 times the number y.
Answer» ANSWER :5Y - 3 = 3Y + 8

Discussion

12.	Express each of the following as a recurring decimal : 3/11
Answer» ANSWER :`0.bar27`

Discussion

13.	Solve the equationsand check your answer in the case: 7-2(5-3x)=4(x-3)+5
Answer» ANSWER :X = -2

Discussion

14.	In triangle ABC, AB=ACand AD bot BC,BE bot AC and CF bot AB. Then triangle ABC is symmetrical about
Answer» AD BE CF None of these Answer :A

Discussion

15.	Evaluate: (-5) times (-20) times (-12) times (-1)
Answer» ANSWER :1200

Discussion

16.	Increase 224 in the ratio 7 : 9
Answer» ANSWER :288

Discussion

17.	Subtract the sum of x^(2)-5xy +2y^(2) and y^(2)-2xy -3x^(2) from the sum of 6x^(2)-8xy-y^(2) and 2xy-2y^(2)-x^(2).
Answer» SOLUTION :N/A

Discussion

18.	The price of one orange is Rs. 13 (1)/(4). Divya buys oranges for Rs. 185 (1)/(2). How many oranges did she buy?
Answer» ANSWER :14 ORANGES

Discussion

19.	Evaluate: a. (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1)times (-1) times (-1) times (-1)
Answer» ANSWER :a. 1 B. -1

Discussion

20.	Express each of the following as a recurring decimal : 20/3
Answer» ANSWER :`6.bar6`

Discussion

21.	Check whether the following numbers are in proportionor not : 2, 2(1)/(2), 3, 3 (1)/(2)
Answer» ANSWER :No

Discussion

22.	Find the angles of a triangle whose interior and exterior angles are in the ratio of 2:7. also, the other two interior angles are in the ratio of 3:4.
Answer» ANSWER :`40^(@),60^(@),80^(@)`.

Discussion

23.	If a cloth costs Rs 715 1/4 per metre, find the cost of 32/5 metres of this cloth.
Answer» ANSWER :`2431(17)/(20 )`

Discussion

24.	Find: a. (2)/(5) of 3 hours
Answer» `2` hour `12` minutes `1` hour `32` minutes `1` hour `12` minutes `1` hour `38` minutes Answer :C

Discussion

25.	A rectangular garden is 124m long and 92 m wide. Find the cost of making a 3-m wide path araound it at the rate of Rs 160 per sq. m .
Answer» ANSWER :756 SQ. CM

Discussion

26.	Find 34 div (17)/(4).
Answer» `7` `8` `5` `9` ANSWER :B

Discussion

27.	Find the mean proportion between : 3 . 6, 1.8
Answer» ANSWER :`0 . 9 `

Discussion

28.	Evaluate: 2.568 div 12
Answer» ANSWER :`0.214`

Discussion

29.	Write the value of : 3.157 to the nearest tenths
Answer» ANSWER :3.2

Discussion

30.	Find the perimeter and area of a rectangle having :Length = 6 hm , Breadth = 8 dam
Answer» ANSWER :`1360m,48000m^(2)`

Discussion

31.	A trader marked his aticles 20% above cost price. The cost price per article is Rs. 250. If he allows 10% discount on the marked price, then find his profit percentage.
Answer» ANSWER :0.08

Discussion

32.	The sum of two consecutive odd numbers is 56. Find the numbers.
Answer» ANSWER :27, 29

Discussion

33.	Find the area of an isosceles triangle which has base 12 cm and equal sides are 10 cm each.
Answer» ANSWER :58 CM

Discussion

34.	A circular running track has inner radius 126m and outer radius 140 m . Find the area of the track .
Answer» ANSWER :`=11704 m^(2)`.

Discussion

35.	A confectionery sells two types of chocolate boxes, medium and small. The medium box costs Rs 50 more than the small box. The cost of three medium boxes and four small boxes is Rs 1550. Find the cost of each.
Answer» ANSWER :RS 200 , Rs 250

Discussion

36.	Write three capital letters of the English alphabet that have line symmetry but not rotational symmetry?
Answer» ANSWER :M, V, W

Discussion

37.	Draw a rought sketch of a right-angled triangle. Draw all the three altitudes of this triangle.
Answer»

Discussion

38.	Reema's age is 6 years less than twice of Deepti's age.If Reema is 42 years old, find Deepti's age.
Answer» ANSWER :24 YEARS

Discussion

39.	Can the lengths 30 cm, 32 cm, and 16 cm be the dimensions of a right-angled triangle ?
Answer» ANSWER :No

Discussion

40.	By actual division, express of the following as a terminating decimal: 7/8
Answer» ANSWER :0.875

Discussion

41.	Evaluate: 6.452 div 40
Answer» ANSWER :`0.1613`

Discussion

42.	Find the area of the triangle ,having :base= 6.4 m , heigth = 8 dm
Answer» ANSWER :`256dm^(2)`

Discussion

43.	If a : b = 3 : 5 and b : c = 4 : 7 , find a : b : c
Answer» ANSWER :`12 : 20 : 35 `

Discussion

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

Discussion

45.	Is there an integer which is its own additive inverse?
Answer» ANSWER :YES, ZERO

Discussion

46.	Convert each of the following fractions into a decimal : 4(11)/125
Answer» ANSWER :4.088

Discussion

47.	Find the product 42/3xx3(3)/(7)xx2(1)/(6)
Answer» ANSWER :`34 (2)/(3)`

Discussion

48.	By how much does 3x^(3)-5x^(2)+2x-3 exceed 2x^(3)-3x^(2)+x+1?
Answer» SOLUTION :N/A

Discussion

49.	Evaluate: 17.435 div 2.75
Answer» ANSWER :`6.34`

Discussion

50.	A square garden measures 30 m by 30 m. Two flower beds in the shape of a quarter circles are made with two opposite vertices as centres. If the radius of each of the quarter circles is 7 m, find the portion of the garden with grass.
Answer» ANSWER :`823 sq.cm`

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Solve the equationsand check your answer in the case: (5)/(8)x-6=9

Convert the as direct. 6.5sq. m into sq. cm

Divide : 0.068div 0.17

find(1) 32% of 425 (2)16.2/3% of 16(3)6.5% of 400 (4)136% of 70 (5)2.8% of 35 (6)0.6% of 45

When a cyclist ridesa cycle the wheel of the cycle having radius 77 cm makes 500 revolutions in 5 minutes .Findthe speed of the cycle in km per hour . (Take pi=(22)/(7))

In -5p^(2)q^(3)r^(4), write down the coefficient of : -pq^(2)r^(3)

Identify which of the following expressions are polynomials. If so, write their degrees. (2)/(3)x^(4)-7x+15

Write each of the following decimals into expanded form : 2314.57

A milk vendor was selling milk to customers from a vessel containing 12 (4)/(5) litres of milk. He sold of11 (1)/(2) litres and then refilled the vessel with 9(4)/(15) litres of milk again. How much milk is available with the vendor now?

The mean of numbers is 25, seven of these 10 numbers are 13,14,15,16,17,20,21,22 and 32. Find the remaining 3 numbers if these 3 numbers are in the ratio 2 : 3 : 5

Write the following statements in the form of equations. 3 less than 5 times a number y is equal to the sum of 8 and 3 times the number y.

Express each of the following as a recurring decimal : 3/11

Solve the equationsand check your answer in the case: 7-2(5-3x)=4(x-3)+5

In triangle ABC, AB=ACand AD bot BC,BE bot AC and CF bot AB. Then triangle ABC is symmetrical about

Evaluate: (-5) times (-20) times (-12) times (-1)

Increase 224 in the ratio 7 : 9

Subtract the sum of x^(2)-5xy +2y^(2) and y^(2)-2xy -3x^(2) from the sum of 6x^(2)-8xy-y^(2) and 2xy-2y^(2)-x^(2).

The price of one orange is Rs. 13 (1)/(4). Divya buys oranges for Rs. 185 (1)/(2). How many oranges did she buy?

Evaluate: a. (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1) times (-1)times (-1) times (-1) times (-1)

Express each of the following as a recurring decimal : 20/3

Check whether the following numbers are in proportionor not : 2, 2(1)/(2), 3, 3 (1)/(2)

Find the angles of a triangle whose interior and exterior angles are in the ratio of 2:7. also, the other two interior angles are in the ratio of 3:4.

If a cloth costs Rs 715 1/4 per metre, find the cost of 32/5 metres of this cloth.

Find: a. (2)/(5) of 3 hours

A rectangular garden is 124m long and 92 m wide. Find the cost of making a 3-m wide path araound it at the rate of Rs 160 per sq. m .

Find 34 div (17)/(4).

Find the mean proportion between : 3 . 6, 1.8

Evaluate: 2.568 div 12

Write the value of : 3.157 to the nearest tenths

Find the perimeter and area of a rectangle having :Length = 6 hm , Breadth = 8 dam

A trader marked his aticles 20% above cost price. The cost price per article is Rs. 250. If he allows 10% discount on the marked price, then find his profit percentage.

The sum of two consecutive odd numbers is 56. Find the numbers.

Find the area of an isosceles triangle which has base 12 cm and equal sides are 10 cm each.

A circular running track has inner radius 126m and outer radius 140 m . Find the area of the track .

A confectionery sells two types of chocolate boxes, medium and small. The medium box costs Rs 50 more than the small box. The cost of three medium boxes and four small boxes is Rs 1550. Find the cost of each.

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

Draw a rought sketch of a right-angled triangle. Draw all the three altitudes of this triangle.

Reema's age is 6 years less than twice of Deepti's age.If Reema is 42 years old, find Deepti's age.

Can the lengths 30 cm, 32 cm, and 16 cm be the dimensions of a right-angled triangle ?

By actual division, express of the following as a terminating decimal: 7/8

Evaluate: 6.452 div 40

Find the area of the triangle ,having :base= 6.4 m , heigth = 8 dm

If a : b = 3 : 5 and b : c = 4 : 7 , find a : b : c

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

Is there an integer which is its own additive inverse?

Convert each of the following fractions into a decimal : 4(11)/125

Find the product 42/3xx3(3)/(7)xx2(1)/(6)

By how much does 3x^(3)-5x^(2)+2x-3 exceed 2x^(3)-3x^(2)+x+1?

Evaluate: 17.435 div 2.75

A square garden measures 30 m by 30 m. Two flower beds in the shape of a quarter circles are made with two opposite vertices as centres. If the radius of each of the quarter circles is 7 m, find the portion of the garden with grass.