Question

If it is Sunday today, then what will be the day after 60 days?

• A. Sunday
• B. Friday
• C. Thursday
• D. Tuesday

Hint:

Use modular arithmetic to determine the day of the week after a certain number of days.

Answer 1

The Correct Option is A

To determine the day after 60 days: 1. There are 7 days in a week. 2. Divide 60 by 7 to find the remainder: _[ 60 _div 7 = 8 _text{ remainder } 4 _] 3. The remainder indicates the day of the week after 60 days. 4. Starting from Sunday, counting 4 days forward lands on Thursday. Therefore, the correct answer is (3) Thursday.