Question

A clock is set right at 8 AM. The clock gains 10 min in 24 hours. What will be the right time when the clock indicate 1 pm on the following day

• A. 11.40 pm
• B. 12:48 pm
• C. 12.00 pm
• D. 10:00 pm

Answer 1

Answer:

B. 12:48 pm

8 AM to next day 1 PM → 29 hours clock gains 10 min in 24 hour, it means that 24 hour 10 min of this clock equals to 24 hour of correct clock 145/6 hour of this clock = 24 hour of correct clock 29 hour=> 24/165 x 6 x 29 = 29 hour 48 min of correct clock. it means that clock is 12 min faster than correct clock. There fore when it indicates 1PM, the correct time will be 12 minutes to 1pm ie 12.48 PM .