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UPSC Civil ServicesPrelims2023General Studies Paper II (CSAT)
Question
QQ27. A number N is formed by writing 9 for 99 times. What is the remainder if N is divided by 13 ?
Options
- A 11
- B 9
- C 7
- D 1
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Correct Answer
A 11
Model Answer
Answer: option A, as per UPSC's final answer key (Series A).