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UPSC Civil ServicesPrelims2022General Studies Paper II (CSAT)
Question
QQ27. A, B and C are three places such that there are three different roads from A to B, four different roads from B to C and three different roads from A to C. In how many different ways can one travel from A to C using these roads?
Options
- A 10
- B 13
- C 15
- D 36
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Correct Answer
C 15
Model Answer
Answer: option C, as per UPSC's final answer key (Series A).