CBSE Class 8 Mathematics Power Play MCQs Set G

Question. Time taken by Mangalyaan mission to reach Mars was.
(a) 100 days
(b) 298 days
(c) 500 days
(d) 2 years

Answer: B

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. Global human population as of 2025 is about.
(a) 1 billion
(b) 5.2 billion
(c) 8.2 billion
(d) 10 billion

Answer: C

Question. The exponential form of 456 is
(a) 2² × 19
(b) 2² × 3² × 19
(c) 23 × 3 × 19
(d) 3³ × 19

Answer: C

Question. In Indian system, a Crore is 10 raised to the power.
(a) 5
(b) 7
(c) 8
(d) 10

Answer: B

Question. Estimated number of trees globally is about 3 trillion, which is.
(a) 3 Kharab
(b) 3 Neel
(c) 3 Arab
(d) 3 Padma

Answer: A

Question. Estimated population of ants globally is.
(a) 10 billion
(b) 20 quadrillion
(c) 1 million
(d) 5 trillion

Answer: B

Question. Simplify 2⁵ × 5⁵
(a) 5025
(b) 1025
(c) 105
(d) 505

Answer: C

Question. In Indian system, a Lakh is 10 raised to the power.
(a) 4
(b) 5
(c) 6
(d) 7

Answer: B

Question. Halley's comet returns every.
(a) 10-12 years
(b) 75-79 years
(c) 100 years
(d) 25 years

Answer: B

Question. The scientific notation of (0.00084 × 3.2 × 105) + (4.2 × 102) is
(a) 6.4 × 10²
(b) 0.64 × 10⁴
(c) 6.4 × 10₃
(d) 64 × 10³

Answer: C

Question. Mesmerising aerial display of thousands of starlings flying together is called.
(a) Dance
(b) Murmuration
(c) Grouping
(d) Clouding

Answer: B

Question. Pādayātra means going to a place by.
(a) Bus
(b) Train
(c) Walking
(d) Plane

Answer: C

Question. After 17 folds, the thickness is about.
(a) 100 cm
(b) 131 cm
(c) 50 cm
(d) 200 cm

Answer: B

Question. If production capacity of a company doubles every 2 years and the initial production quantity in 2025 was 5000 units. What will be the company’s production quantity after 6 years?
(a) 20,000
(b) 40,000
(c) 30,000
(d) 30,000

Answer: B

Question. If you fold a paper 46 times, it will reach the.
(a) Sun
(b) Stars
(c) Moon
(d) Clouds

Answer: C

Question. After 10 folds, the paper thickness is just above.
(a) 1 mm
(b) 1 cm
(c) 10 cm
(d) 1 m

Answer: B

Question. (1) ^-58 is equal to
(a) 1
(b) -1
(c) 15⁸
(d) 0

Answer: A

Question. The Universe was formed about how many years ago?
(a) 4.5 billion
(b) 13.8 billion
(c) 1 billion
(d) 100 billion

Answer: B

Question. The sign used for approximately equal to is.
(a) =
(b) +
(c) ≈
(d) x

Answer: C