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Five friends A, B, C, D, and E go on a trip together. Each of them likes at least one of the following three activities: Countryside Sightseeing, Shopping, and Adventure Sports such that: - No two…

Question and options

Five friends A, B, C, D, and E go on a trip together. Each of them likes at least one of the following three activities: Countryside Sightseeing, Shopping, and Adventure Sports such that:

- No two friends like exactly the same set of activities.
- A, B and E like exactly two activities each.
- D likes only Countryside Sightseeing.
- C likes more number of activities compared to D.

The number of friends that like Countryside Sightseeing is __________
  1. 1
  2. 2
  3. 4
  4. 3

Answer and explanation

Correct answer: C - 4

There are 44 friends who like Countryside Sightseeing. Two of the three distinct two-activity sets taken by A, B and E contain it, and D likes it on its own. C must like all three activities because the pairs are already taken, so omitting C gives 33.

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  • IPMAT Indore

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