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UPSC Civil ServicesPrelims2022General Studies Paper II (CSAT)
Question
QQ4. What is the value of X in the sequence 20, 10, 10, 15, 30, 75, X?
Options
- A 105
- B 120
- C 150
- D 225
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Correct Answer
D 225
Model Answer
Answer: option D, as per UPSC's final answer key (Series A).