1907 + Interview Questions in Maths in Class 7

1.	A rectangularlawn 115 m longand 64 m broadhas two cross - paths at right - angles , one 2 m wide, running parallel to its length and the other 2.5 m wide , running parallel to itsbreadth . Find the cost of gravelling the padths at Rs. 114 per m^(2)
Answer» ANSWER :RS. 43890

Discussion

2.	What should be subtracted from ((5)/(14) + (3)/(7)) to get (1)/(5)?
Answer» ANSWER :`(41)/(70)`

Discussion

3.	Round of to the nearest whole number : 61.518
Answer» ANSWER :62

Discussion

4.	Convert each of the following fractions into a decimal : 9(1)/25
Answer» ANSWER :9.04

Discussion

5.	Which letters of the English alphabet have : no lines of symmetry
Answer» <P> Answer :F, G, J, L, N, P, Q, R, S, Z

Discussion

6.	Can an acute-angled triangled be a. and equilateral, b. an isosceles, and c. a scalene triangle ?
Answer» ANSWER :(a) YES (B) Yes (C) Yes

Discussion

7.	Multiply : 0.8xx10
Answer» ANSWER :8

Discussion

8.	A man covers one-fifth of his journey on foot, two-thirds by car, and the remaining 4 km by taxi. Find the total distance covered by the man.
Answer» `24` KM `50` km `10` km `30` km Answer :D

Discussion

9.	The selling price of 12 pens is equal to the cost price of 14 pens. Find the gain per cent.
Answer» SOLUTION :N/A

Discussion

10.	The product of two numbers is 52.8 . If one of them is 8.25, find the other .
Answer» ANSWER :6.4

Discussion

11.	Rajni and Mohini deposited Rs.3000 and Rs.4000 in a company at the rate of 10% per annum for 3 years and 2 1/2years respectively. The difference of the amounts received by them will be
Answer» 100 1000 900 1100 Answer :D

Discussion

12.	Simplify [(1)/(2ab)]^c[(1)/(2bc)]^a[(1)/(2ac)]^b when a^2+b^2+c^2=2abc.
Answer» SOLUTION :NA

Discussion

13.	Express the as indicated. One has been done for you. 2 kg 3 g in kg
Answer» ANSWER :`13.5`

Discussion

14.	Convert each of the following fractions into a decimal : 2036/1000
Answer» ANSWER :2.036.

Discussion

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

Discussion

16.	Evaluate: 3.765 div 25
Answer» ANSWER :`0.1506`

Discussion

17.	Fill in the blanks . (i)(……..)+((-7)/(5))=(-2)/(3) (ii) ((-65(/(14))divide(…….)=2(1)/(2) (iii)((-3)/(8)+(……)=(5)/(12) (iv) Multiplicate inverse of -1(3)/(4)is ……….
Answer» Answer : (i) `(14)/(15)` (II) `(-13)/(7)` (III) `(19)/(24)` (iv) `(-4)/(7)`

Discussion

18.	Find the area of the shaded region in each of the following figure :
Answer» ANSWER :(i) `126M^(2)` (II) `451m^(2)`

Discussion

19.	Evaluate the following: (-672) div 21
Answer» ANSWER :-32

Discussion

20.	The sides of a triangle are 6 cm, 10 cm, and a cm. where a is a whole number. Find the minimum and maximum value that a can take.
Answer» ANSWER :MINIMUM 5 CM. maximum 15 cm.

Discussion

21.	Evaluate: (1)/(4) xx 3
Answer» `(3)/(5)` `(3)/(8)` `(1)/(4)` `(3)/(4)` ANSWER :D

Discussion

22.	Evaluate: 42 times (-97)
Answer» ANSWER :-4074

Discussion

23.	Find the product:(i) 7.6xx2.4(ii) 3.45xx6.3(iii) 0.54xx0.27(iv) 0.568xx4.9(v) 6.54xx0.09(vi) 3.87xx1.25(vii) 0.06xx0.38(viii) 0.623xx0.75(xi) 0.014xx0.46(x) 54.5xx1.76(xi) 0.045xx2.4(xii) 1.245xx6.4
Answer» ANSWER :(i)18.24, (ii)21.735, (III)0.1458, (iv)2.7832, (v)4.8375,(vi)0.0228,(vii) 0.46725,(VIII) 0.00644,(IX) 95.92, (x)0.108, (xi)7.968

Discussion

24.	In a /_\ ABC, AB = AC and AD bot BC, then BD = .......
Answer» ANSWER :`(1)/(2)BC`

Discussion

25.	Evaluate: 96.6 div 7
Answer» ANSWER :`13.8`

Discussion

26.	Evaluate (i) (-8)/(15)+(2)/(-3) (ii) (-7)/(10)+(13)/(-15)+(27)/(20) (iii) -1+(7)/(-9)+ (11)/(12) (iv) (-11)/(39)+ (5)/(26)+2 (v) 2+(-1)/(2)+(-3)/(4) (vi) (-9)/(11)+(2)/(3)+(-3)/(4)
Answer» Answer : (i) `(-6)/(5)` (II) `(-13)/(60)` (iii) `(-31)/(36)` (iv) `(149)/(78)` (V) `(3)/(4)` (vi) `(-119)/(132)`

Discussion

27.	Evaluate: (-3) times (-4) times (-5) times (-6) times 7
Answer» ANSWER :2520

Discussion

28.	How many revolutions woulda cycle wheelof diameter 1.6 m make to cover a distance of 352 metres ? (Take pi=(22)/(7))
Answer» 35 70 71 40 Answer :B

Discussion

29.	Convert each of the following decimals into a fraction :3.75
Answer» ANSWER :`3(3)/4`

Discussion

30.	Convert the as directed 70 sq. cm into sq. m
Answer» ANSWER :`0.0070 sq.m`

Discussion

31.	Solve for x: (2)/(3)x+1=5 Represent the solution graphically in each case.
Answer» ANSWER :`x=6`

Discussion

32.	Divide 20/31 div54
Answer» ANSWER :`10/837`

Discussion

33.	Identify monomials, binomials and trinomials from the following algebraic expressions: 3x^(2) div p
Answer» SOLUTION :N/A

Discussion

34.	Find: b. (3)/(4) of 3 km
Answer» `2` `KM` `250` `m` `1` `km` `250` `m` `2` `km` `500` `m` `1` `km` `500` `m` Answer :A

Discussion

35.	Subtract : 3z^(2)-2z^(2)+7z -8 from 8-z-z^(2)
Answer» SOLUTION :N/A

Discussion

36.	Evaluate the following after simplifying the multiplication using properties of multiplication. 79 times (-48)
Answer» ANSWER :-3744

Discussion

37.	Evaluate the following after simplifying the multiplication using properties of multiplication. 25 times 312 times 4
Answer» ANSWER :31200

Discussion

38.	Fill in the blanks 45 m = "____________"km
Answer» ANSWER :`0.045 KM`

Discussion

39.	State true or false: a. 11 div 0=0 "b. " 0 div 23=0
Answer» ANSWER :a. FALSEB. TRUE

Discussion

40.	Check whether the following numbers are in proportionor not : (1)/(5), (1)/(8),(1)/(4),(1)/(10)
Answer» ANSWER :No

Discussion

41.	Divide : 8.25div 100
Answer» ANSWER :0.0825.

Discussion

42.	Evaluate: c. 4 (11)/(15) - 2 (7)/(20)
Answer» ANSWER :`2 (23)/(60)`

Discussion

43.	Divide : 0.144div 0.12
Answer» ANSWER :0.12

Discussion

44.	Anil deposited 8000 in a bank. He withdraw 3000 after 2 years. At the end of 4 years he received an amount of 6300. Find the rate of intrest.
Answer» ANSWER :0.05

Discussion

45.	Simplify : 8.349 - 2.57 + 6.28 - 9.6
Answer» ANSWER :2.459

Discussion

46.	Five negative integers and four positive integers are being multiplied. Find the sign of the product.
Answer» NEGATIVE integer positive integer cannot be determined none of the above Answer :A

Discussion

47.	A number exceeds its four-sevenths by 18. Find the number.
Answer» ANSWER :42

Discussion

48.	Find: c. 3 (4)/(5) xx (35)/( 38)
Answer» `3 (3)/(2)` `3 (1)/(2)` `3 (1)/(5)` `3 (1)/(4)` Answer :B

Discussion

49.	Divide 3600 into two parts such that if one part is lent at 9% p.a. and the other at 10% per annum the total income from interest is 333.
Answer» ANSWER :₹2700, ₹900

Discussion

50.	Fill in the blanks and state the property used: 18 times (-63)="_______" times 18
Answer» `-68`, COMMUTATIVE PROPERTY for MULTIPLICATION `-63`, ASSOCIATIVE property for multiplication `-63`, commutative property for multiplication `-73`, distributive property for multiplication over addition Answer :C

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

A rectangularlawn 115 m longand 64 m broadhas two cross - paths at right - angles , one 2 m wide, running parallel to its length and the other 2.5 m wide , running parallel to itsbreadth . Find the cost of gravelling the padths at Rs. 114 per m^(2)

What should be subtracted from ((5)/(14) + (3)/(7)) to get (1)/(5)?

Round of to the nearest whole number : 61.518

Convert each of the following fractions into a decimal : 9(1)/25

Which letters of the English alphabet have : no lines of symmetry

Can an acute-angled triangled be a. and equilateral, b. an isosceles, and c. a scalene triangle ?

Multiply : 0.8xx10

A man covers one-fifth of his journey on foot, two-thirds by car, and the remaining 4 km by taxi. Find the total distance covered by the man.

The selling price of 12 pens is equal to the cost price of 14 pens. Find the gain per cent.

The product of two numbers is 52.8 . If one of them is 8.25, find the other .

Rajni and Mohini deposited Rs.3000 and Rs.4000 in a company at the rate of 10% per annum for 3 years and 2 1/2years respectively. The difference of the amounts received by them will be

Simplify [(1)/(2ab)]^c[(1)/(2bc)]^a[(1)/(2ac)]^b when a^2+b^2+c^2=2abc.

Express the as indicated. One has been done for you. 2 kg 3 g in kg

Convert each of the following fractions into a decimal : 2036/1000

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

Evaluate: 3.765 div 25

Fill in the blanks . (i)(……..)+((-7)/(5))=(-2)/(3) (ii) ((-65(/(14))divide(…….)=2(1)/(2) (iii)((-3)/(8)+(……)=(5)/(12) (iv) Multiplicate inverse of -1(3)/(4)is ……….

Find the area of the shaded region in each of the following figure :

Evaluate the following: (-672) div 21

The sides of a triangle are 6 cm, 10 cm, and a cm. where a is a whole number. Find the minimum and maximum value that a can take.

Evaluate: (1)/(4) xx 3

Evaluate: 42 times (-97)

Find the product:(i) 7.6xx2.4(ii) 3.45xx6.3(iii) 0.54xx0.27(iv) 0.568xx4.9(v) 6.54xx0.09(vi) 3.87xx1.25(vii) 0.06xx0.38(viii) 0.623xx0.75(xi) 0.014xx0.46(x) 54.5xx1.76(xi) 0.045xx2.4(xii) 1.245xx6.4

In a /_\ ABC, AB = AC and AD bot BC, then BD = .......

Evaluate: 96.6 div 7

Evaluate (i) (-8)/(15)+(2)/(-3) (ii) (-7)/(10)+(13)/(-15)+(27)/(20) (iii) -1+(7)/(-9)+ (11)/(12) (iv) (-11)/(39)+ (5)/(26)+2 (v) 2+(-1)/(2)+(-3)/(4) (vi) (-9)/(11)+(2)/(3)+(-3)/(4)

Evaluate: (-3) times (-4) times (-5) times (-6) times 7

How many revolutions woulda cycle wheelof diameter 1.6 m make to cover a distance of 352 metres ? (Take pi=(22)/(7))

Convert each of the following decimals into a fraction :3.75

Convert the as directed 70 sq. cm into sq. m

Solve for x: (2)/(3)x+1=5 Represent the solution graphically in each case.

Divide 20/31 div54

Identify monomials, binomials and trinomials from the following algebraic expressions: 3x^(2) div p

Find: b. (3)/(4) of 3 km

Subtract : 3z^(2)-2z^(2)+7z -8 from 8-z-z^(2)

Evaluate the following after simplifying the multiplication using properties of multiplication. 79 times (-48)

Evaluate the following after simplifying the multiplication using properties of multiplication. 25 times 312 times 4

Fill in the blanks 45 m = "____________"km

State true or false: a. 11 div 0=0 "b. " 0 div 23=0

Check whether the following numbers are in proportionor not : (1)/(5), (1)/(8),(1)/(4),(1)/(10)

Divide : 8.25div 100

Evaluate: c. 4 (11)/(15) - 2 (7)/(20)

Divide : 0.144div 0.12

Anil deposited 8000 in a bank. He withdraw 3000 after 2 years. At the end of 4 years he received an amount of 6300. Find the rate of intrest.

Simplify : 8.349 - 2.57 + 6.28 - 9.6

Five negative integers and four positive integers are being multiplied. Find the sign of the product.

A number exceeds its four-sevenths by 18. Find the number.

Find: c. 3 (4)/(5) xx (35)/( 38)

Divide 3600 into two parts such that if one part is lent at 9% p.a. and the other at 10% per annum the total income from interest is 333.

Fill in the blanks and state the property used: 18 times (-63)="_______" times 18