Exponents And Powers, Chapter 12 Class 8 Maths MCQs

1. The value of is

(a) 3

(b) 10

(c) 32

(d) 7

A

B

C

D

Your comments:

Question 1 of 20

2. The Base in the expression is

(a) 1

(b) 10

(c) 0

(d) 24

A

B

C

D

Your comments:

Question 2 of 20

3. Multiplicative inverse of is


(a) 49

(b) 5

(c) 7

(d) -14

A

B

C

D

Your comments:

Question 3 of 20

4. Fill in the blank where m and n are natural numbers:-

(a) mn

(b) m + n

(c) m - n

(d) m/n

A

B

C

D

Your comments:

Question 4 of 20

5. The value of is equal to

(a) 9

(b) 1

(c) -6

(d) 1/3

A

B

C

D

Your comments:

Question 5 of 20

6. 1 micron is equals to

A

B

C

D

Your comments:

Question 6 of 20

7. The approximate distance of moon from the earth is 384,467,000 m and in exponential form. This distance can be written as

A

B

C

D

Your comments:

Question 7 of 20

8. m is the standard form of which of the following

(a) 0.0007 m

(b) 0.000007 m

(c) 0.0000007 m

(d) 0.00007 m

A

B

C

D

Your comments:

Question 8 of 20

9. The value of is given by........

(a) ¼

(b) 8

(c) 1/8

(d) -8

A

B

C

D

Your comments:

Question 9 of 20

10. The value of is

(a) 1

(b) 0

(c) 24

(d) None of these

A

B

C

D

Your comments:

Question 10 of 20

11. 64 is the multiplicative inverse of

A

B

C

D

Your comments:

Question 11 of 20

12. Which one of the following is the value of (a) 0

(b) 15

(c) 1

(d) None of these

A

B

C

D

Your comments:

Question 12 of 20

13. Value of is


(a) 1

(b) 25

(c) 2

(d) 0

A

B

C

D

Your comments:

Question 13 of 20

14. The value of is

(a) 7

(b) 49

(c) 2

(d) 14

A

B

C

D

Your comments:

Question 14 of 20

15. Multiplicative inverse of is

(a) -10

(b) 25

(c) 3

(d) 7

A

B

C

D

Your comments:

Question 15 of 20

16. Value of is given by ...........


(a) 64

(b) 32

(c) 12

(d) None of these

A

B

C

D

Your comments:

Question 16 of 20

17. Which one of the following is the value of (a) 3

(b) 15

(c) 2

(d) 243

A

B

C

D

Your comments:

Question 17 of 20

18. Km is the standard form of which of the following

(a) 0.000000013 Km

(b) 0.0000013 Km

(c) 0.000000000013 Km

(d) 0.00000000013 Km

A

B

C

D

Your comments:

Question 18 of 20

19. The expression, is equals to

A

B

C

D

Your comments:

Question 19 of 20

20. In exponential form 140,000,000,000 Kg is given by ............

A

B

C

D

Your comments:

Question 20 of 20