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UPSC Civil ServicesPrelims2024General Studies Paper II (CSAT)
Question
QQ10. On January 1st, 2023, a person saved ₹ 1. On January 2nd, 2023, he saved ₹2 more than that on the previous day. On January 3rd, 2023, he saved ₹2 more than that on the previous day and so on. At the end of which date was his total savings a perfect square as well a perfect cube?
Options
- A 7th January, 2023
- B 8th January, 2023
- C 9th January, 2023
- D Not possible
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Correct Answer
B 8th January, 2023
Model Answer
Answer: option B, as per UPSC's final answer key (Series A).