Wednesday, 11 July 2018

CBSE Class 7 - Maths - Exponents and Powers (MCQs) (#cbsenotes)(#eduvictors)

Exponents and Powers
(MCQs)

CBSE Class 7 - Maths - Exponents and Powers (MCQs) (#cbsenotes)(#eduvictors)

Q1: Simplify 2³

(a) 6
(b) 8
(c) 10
(d) 222

Q2: What is the value of 3⁰?

(a) 0
(b) 1
(c) 3
(d) Not Defined

Q3: Value of 12² is _____

(a) 2
(b) 24
(c) 144
(d) 0



Q4: The Exponent in the expression 3⁷ is _______ .

(a) 0
(b) 1
(c) 3
(d) 7

Q5: aⁿ ÷ a³ = ?,  Where m is a natural number.

(a) aⁿ
(b) a³
(c) aⁿ⁻³
(d) a⁰


Q6: Simplify 3⁰ + 15⁰ + 7⁰

(a) 3
(b) 0
(c) 25
(d) 1


Q7: In the standard form 52,00,00,000 is equal to ___________ .

(a) 5.2 × 10⁷
(b) 5.2 × 10⁸
(c) 52 ×  10⁸
(d) 52 × 100,00,000


Q8: Find value of 1ⁱ²

(a) 0
(b) 1
(c) 12
(d) -1


Q9:  Find value of  (-1)ⁱ²

(a) 0
(b) 1
(c) -1
(d) -12


Q10:  Find value of  (-1)⁵

(a) 0
(b) 1
(c) -1
(d) -5



Answers:
1: (b) 8
2:     (b) 1
3:     (c) 144
4: (d) 7
5: (c) aⁿ⁻³
6: (a) 3
7: (b) 5.2 × 10⁸
8:     (b) 1
9: (b) 1
10:   (c) -1
   

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