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UPSC Civil ServicesPrelims2025General Studies Paper II (CSAT)
Question
QQ25. Consider the first 100 natural numbers. How many of them are not divisible by any one of 2, 3, 5, 7 and 9 ?
Options
- A 20
- B 21
- C 22
- D 23
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Correct Answer
C 22
Model Answer
Answer: option C, as per UPSC's final answer key (Series A).