DarkKnight06 wrote:
A clock loses a minute every three hours for 4 days and gains 1% in the subsequent 6 days. If it was set right on Friday at 11 AM, what will be the time at the end of 10 days?
A. 11:54:40 AM
B. 11:56:24 AM
C. 12:16:40 PM
D. 11:54:24 AM
E. 12:06:36 PM
A. 11:54:40 AM
B. 11:56:24 AM
C. 12:16:40 PM
D. 11:54:24 AM
E. 12:06:36 PM
Clock loses: 1 minute in 3 hours = 8 minutes in 24 hours = 32 minutes in 4 days.
Clock gains: 1% in the subsequent 6 days = 1% in 6*24*60 minutes = 86.40 minute in 6 days;
Net gain in 10 days = 86.40 - 32 = 54.4 minutes.
11AM + 54.4 minutes = 11:54 and 4/10th of a minute or 24 seconds.
Answer: D.