Multiple choice general knowledge math & puzzles

A clock is set right at 8 a.m. The clock gains 10 minutes in 24 hours. What will be the true time when the clock indicates 1 p.m. on the following day?

  1. 48 min. past 12

  2. 38 min. past 12

  3. 28 min. past 12

  4. 25 min. past 12

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The clock gains 10 mins in 24 hours, so 1440 mins of true time = 1450 mins of faulty time. From 8 a.m. to 1 p.m. next day is 29 hours (1740 mins). True time = 1740 * (1440/1450) = 1728 mins = 28 hrs 48 mins.