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UPSC Civil ServicesPrelims2023General Studies Paper II (CSAT)
Question
QQ47. What is the sum of all 4-digit numbers less than 2000 formed by the digits 1, 2, 3 and 4, where none of the digits is repeated ?
Options
- A 7998
- B 8028
- C 8878
- D 9238
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Correct Answer
A 7998
Model Answer
Answer: option A, as per UPSC's final answer key (Series A).