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UPSC Civil ServicesPrelims2022General Studies Paper II (CSAT)
Question
QQ9. Which number amongst 2^40, 3^21, 4^18 and 8^12 is the smallest?
Options
- A 2^40
- B 3^21
- C 4^18
- D 8^12
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Correct Answer
B 3^21
Model Answer
Answer: option B, as per UPSC's final answer key (Series A).