Question

A clock gains 5 minutes in 24 hours It was set right at 10 a.m on Monday What will be the true time when the clock indicates 10:30 a.m on the next Sunday?

• A. 10 a.m
• B. 11 a.m
• C. 25 minutes past 10 a.m
• D. 5 minutes to 11 a.m

Answer 1

The correct option is A 10 a.m

Time between 10 a.m. on Monday to 10:30 a.m. on Sunday = 1441214412 hours
24122412 hours of incorrect clock = 24 hours of correct time
1441214412 hours of incorrect clock = x hours of correct time
∴x=14412×242412=144∴x=14412×242412=144 hours i.e.,
The true time is 10 a.m. on Sunday.