CBSE Class 8 Mathematics Power Play MCQs Set 03

Question. Which of the following represents
(a) 2⁴ × 3⁴ × 5²
(b) 2⁴ × 3² × 5²
(c) 2² × 3⁴ × 5²
(d) 2² × 3² × 5³

Answer: A

Question. Estimated number of trees globally in 2023 is.
(a) 1 trillion
(b) 3 trillion
(c) 10 trillion
(d) 500 billion

Answer: B

Question. Time taken by Mangalyaan mission to reach Mars was.
(a) 100 days
(b) 298 days
(c) 500 days
(d) 1 year

Answer: B

Question. 2 raised to minus 1 is same as writing.
(a) -2
(b) 0
(c) 1/2
(d) 2

Answer: C

Question. If a bacterial population doubles every day and initially there are 1000, then after 3 days the number of bacteria will be
(a) 4000
(b) 2000
(c) 8000
(d) 6000

Answer: C

Question. Value of 10 raised to minus 3 is.
(a) 1 divided by 10 raised to 3
(b) -1000
(c) 30
(d) 0.0001

Answer: A

Question. 10 raised to 9 seconds is approximately how many years?
(a) 10 years
(b) 31.7 years
(c) 50 years
(d) 100 years

Answer: B

Question. One kharab is equal to how many arab?
(a) 10
(b) 100
(c) 1000
(d) 1

Answer: B

Question. Simplify (2³ x 2⁵) ÷ 2⁴
(a) 24
(b) 23
(c) 22
(d) 2

Answer: A

Question. One lakh in powers of 10 is.
(a) 10 raised to 4
(b) 10 raised to 5
(c) 10 raised to 6
(d) 10 raised to 7

Answer: B

Question. Population of Hainan gibbons in early 2024 was about.
(a) 1000
(b) 42
(c) 500
(d) 10

Answer: B

Question. Roxie is 13 years old and Estu is.
(a) 10 years old
(b) 11 years old
(c) 12 years old
(d) 14 years old

Answer: B

Question. A car runs 50 km on day 1, 60 km on day 2, 70 km on day 3 and so on . This is
(a) linear growth
(b) exponential growth
(c) random growth
(d) No growth

Answer: A

Question. Fixed increase in distance like 20 cm each step is called.
(a) Fast growth
(b) Exponential growth
(c) Linear growth
(d) Small growth

Answer: C

Question. Rule for n raised to a multiplied by n raised to b is.
(a) n raised to (a multiplied b)
(b) n raised to (a plus b)
(c) n raised to (a minus b)
(d) 2n

Answer: B

Question. 10 raised to 0 is always equal to.
(a) 0
(b) 1
(c) 10
(d) n

Answer: B

Question. Simplify (10⁴ ÷ 5⁴)
(a) 2
(b) 50⁴
(c) 2⁴
(d) 20⁴

Answer: C

Question. Offering goods equal to a person's weight is called.
(a) Pooja
(b) Tulābhāra
(c) Dāna
(d) Yatra

Answer: B

Question. As of mid-2025, how many Northern White Rhinos are left?
(a) 10
(b) 2
(c) 100
(d) 50

Answer: B

Question. Compute 4 cubed multiplied by 4 cubed.
(a) 4 raised to 9
(b) 4 raised to 6
(c) 16 cubed
(d) 8 cubed

Answer: B