Class 8 Squares And Square Roots CBSE Questions & Answers

Class 8 · Squares And Square Roots

This is Mathematics Class 8 Squares and Square Roots CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

What will be the number of zeros in the square of 30?

A
5
B
1
C
2
Correct
D
3

What will be the number of zeros in the square of 700?

A
4
Correct
B
2
C
1
D
3

What will be the number of zeros in the square of 4000?

A
6
Correct
B
4
C
2
D
none of these

How many natural numbers lie between \({\text{1}}{{\text{2}}^{\text{2}}}\) and\({\text{1}}{{\text{3}}^{\text{2}}}\)?

A
24
Correct
B
none of these
C
27
D
25

How many natural numbers lie between \({\text{1}}{{\text{5}}^{\text{2}}}\) and\({\text{1}}{{\text{6}}^{\text{2}}}\)?

A
30
Correct
B
14
C
60
D
15

How many natural numbers lie between \({\text{3}}{{\text{3}}^{\text{2}}}\) and\({\text{3}}{{\text{4}}^{\text{2}}}\)?

A
60
B
66
Correct
C
34
D
33

Find the square of 40.

A
none of these
B
80
C
1600
Correct
D
40

Find the square of 65.

A
130
B
none of these
C
70
D
4225
Correct

Find the square of 74.

A
none of these
B
80
C
5476
Correct
D
148

Find the square root of 1764.

A
41
B
40
C
42
Correct
D
39

Find the square root of 2025.

A
46
B
45
Correct
C
48
D
47

1681 plants are to be planted in a garden in such a way that each row contains as many plants as the number of rows. Find the number of rows.

A
47
B
41
Correct
C
49
D
43

\({\text{2}}{{\text{9}}^{\text{2}}}\) would have digit _____ at unit place.

A
2
B
3
C
1
Correct
D
4

\({\text{3}}{{\text{6}}^{\text{2}}}\) would have digit _____ at unit place.

A
0
B
6
Correct
C
2
D
4

\({\text{2}}0{{\text{7}}^{\text{2}}}\) would have digit _____ at unit place.

A
0
B
9
Correct
C
3
D
6