SNAP 2023 Actual Question Papers with Solutions, Slot-wise – Page 16
All 120 questions of SNAP 2023. Tap Show answer, or open the detailed solution (free login). Page 16 of 24.
Pipe A fills a tank in 10 hours with a 20% alcohol solution. Pipe B fills it in 15 hours with a 45% alcohol solution. Both are opened together. A leak at the bottom, which can drain a full tank in 12 hours, is also open. What is the concentration of alcohol in the tank while it is filling?
- 32.5%
- 60%
- 30%
- 35%
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Answer: C. 30%
A and B play a game where they roll a standard 6-sided die alternately. A wins immediately if he rolls a 5 or 6. B wins immediately if he rolls a prime number. If A takes the first turn, what is the exact mathematical probability that A eventually wins the game?
- 4/9
- 1/3
- 2/5
- 1/2
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Answer: D. 1/2
How many positive integers less than 500 have exactly 6 positive divisors?
- 55
- 57
- 59
- 61
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Answer: C. 59
The radius of a cylinder increases by 20% and its height decreases by p%. If the overall volume remains unchanged, find the percentage change in its curved surface area.
- 16.67% decrease
- 0% change
- 20% increase
- 44% decrease
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Answer: A. 16.67% decrease
What is the probability that a randomly chosen factor of 3600 is a multiple of 12 but NOT a multiple of 36?
- 2/5
- 1/5
- 1/9
- 1/3
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Answer: B. 1/5