Question

A watch which gains 5 seconds in 3 minutes was set right at 7
a.M

Answer 1

Answer:

Time elapsed in the correct clock = 180/185* 33300= 32400 seconds = 9 hours . clock gains 5 seconds every 3 minute = 100 seconds every hour (60minute )=900 seconds every 9 hours =15 minutes every 9 hours . Gracie wrote : a watch which gains 5 seconds in 3 minute was set right at 7 am