MCQ Maths Chapter 13 Class 7 Exponents and Powers

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1. The value of is

(a) 1

(b) 0

(c) 24

(d) None of these

Your comments:

Question 1 of 20

2. 64 in exponential form is _____________ .

Your comments:

Question 2 of 20

3. Find the number from the following expanded form : (a) 900203

(b) 912351

(c) 905302

(d) 900230

Your comments:

Question 3 of 20

4. Value of is

(a) 1

(b) 25

(c) 2

(d) 0

Your comments:

Question 4 of 20

5. Simplify (a) 3

(b) 10

(c) 4

(d) 7

Your comments:

Question 5 of 20

6. The Exponent in the expression is

(a) 1

(b) 7

(c) 0

(d) 3

Your comments:

Question 6 of 20

7. Multiplicative inverse of 1 / 7 is _________ .

(a) 49

(b) 5

(c) 7

(d) -14

Your comments:

Question 7 of 20

8. Fill in the Blank Where m and n are natural numbers:-

(a) mn

(b) m + n

(c) m - n

(d) m ÷n

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Question 8 of 20

9. Find the value of (a) 4/9

(b) -2/9

(c) 9/4

(d) 0

Your comments:

Question 9 of 20

10. 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

Your comments:

Question 10 of 20

11. The standard form of 4050000 is given by ______________ .

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Question 11 of 20

12. 1 micron is equals to ______________ .

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Question 12 of 20

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

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Question 13 of 20

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

(b) 15

(c) 1

(d) None of these

Your comments:

Question 14 of 20

15. The value of is

(a) 0

(b) 100

(c) 1

(d) None of these

Your comments:

Question 15 of 20

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

(b) 15

(c) 2

(d) 243

Your comments:

Question 16 of 20

17. Charge of an electron is 0.000,000,000,000,000,000,16 coulomb and in exponential form it can be written as _________________________ .

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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

Your comments:

Question 18 of 20

19. In standard form 56700000 is written as ________________ .

Your comments:

Question 19 of 20

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

Your comments:

Question 20 of 20


 

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Comments

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