CBSE Class 8 Mathematics Power Play MCQs Set F

Question. What is the term for multiplicative growth as described in the paper folding example?
(a) Exponential growth
(b) Additive growth
(c) Incremental growth
(d) Linear growth

Answer: A

Question. Each basket had how many silver keys?
(a) 1
(b) 2
(c) 3
(d) 4

Answer: C

Question. Total rooms in the king's prize was.
(a) 3 squared
(b) 3 cubed
(c) 3 raised to 4
(d) 3 raised to 5

Answer: C

Question. Estu has 4 dresses and 3 caps. Possible combinations are.
(a) 7
(b) 12
(c) 1
(d) 10

Answer: B

Question. After any 3 folds, thickness increases by.
(a) 3 times
(b) 6 times
(c) 8 times
(d) 2 times

Answer: C

Question. In 5 raised to 4, the number 5 is called.
(a) Power
(b) Exponent
(c) Base
(d) Total

Answer: C

Question. Find value of 5 raised to 4.
(a) 20
(b) 125
(c) 625
(d) 500

Answer: C

Question. If a – 2 and b = – 3 then what is ab ?
(a) 8
(b) 1/8
(c) -8
(d) 1/4

Answer: B

Question. Which of the following is the standard form of 0.00001275?
(a) 1.275 × 10⁵
(b) 1.275 × 10^-5
(c) 127.5 × 10^-7
(d) 127.10⁷

Answer: B

Question. Value of 0 raised to any power n is.
(a) 1
(b) n
(c) 0
(d) Not possible

Answer: C

Question. In 5 raised to 4, the number 4 is the.
(a) Base
(b) Exponent
(c) Bottom
(d) Value

Answer: B

Question. The deepest point in ocean Mariana Trench is.
(a) 5 km
(b) 8 km
(c) 11 km
(d) 15 km

Answer: C

Question. What is the value of (3^-2)^-1?
(a) 32
(b) 1/3²
(c) 3^-2
(d) 9^-1

Answer: A

Question. Rule for m raised to a multiplied by n raised to a is.
(a) (m plus n) raised to a
(b) (mn) raised to a
(c) m raised to (a plus a)
(d) mn

Answer: B

Question. Simplify 10 raised to 4 divided by 5 raised to 4.
(a) 2
(b) 2 raised to 4
(c) 50 raised to 4
(d) 15 raised to 4

Answer: B

Question. Multiplicative growth is also called.
(a) Slow growth
(b) Exponential growth
(c) Plus growth
(d) Simple growth

Answer: B

Question. In the exponential form 5⁴, what does the number 4 represent?
(a) The product
(b) The exponent or power
(c) The factor
(d) The base

Answer: B

Question. Exponential form of 64 is.
(a) 4 cubed
(b) 4 squared
(c) 8 cubed
(d) 6 x 4

Answer: A

Question. In the story, each daughter got 3.
(a) Baskets
(b) Keys
(c) Coins
(d) Rooms

Answer: A

Question. For a 2-digit lock, total combinations are.
(a) 20
(b) 100
(c) 99
(d) 10

Answer: B