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UPSC Civil ServicesPrelims2025General Studies Paper II (CSAT)
Question
QQ36. What is X in the sequence 24, X, 12, 18, 36, 90 ?
Options
- A 18
- B 12
- C 9
- D 6
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Correct Answer
B 12
Model Answer
Answer: option B, as per UPSC's final answer key (Series A).