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UPSC Civil ServicesPrelims2022General Studies Paper II (CSAT)
Question
QQ18. How many 3-digit natural numbers (without repetition of digits) are there such that each digit is odd and the number is divisible by 5 ?
Options
- A 8
- B 12
- C 16
- D 24
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Correct Answer
B 12
Model Answer
Answer: option B, as per UPSC's final answer key (Series A).