UPSC Prelims 2023 · CSAT (Paper 2) · Q6

Logical Reasoning & Analytical Ability

Medium · Derangements

There are five letters and five envelopes, and exactly one letter is meant for exactly one envelope with the correct address. The letters are inserted into the envelopes at random, one letter per envelope. Consider the following statements:

1. It is possible that exactly one letter goes into an incorrect envelope.

2. There are exactly ten ways in which exactly three letters go into the correct envelopes.

Which of the statements given above is/are correct?