Question

A watch loses 3 seconds every 3 hours . If the watch was set correctly on a thursday 8.00a.m ;what was the correct time if the watch showed 8.00 pm the following Thursday

Answer 1

Step-by-step explanation:

NUMBER OF SECONDS WATCH LOSES = 3 in 3hr

Set correctly at 8:00 a.m

After 12 hours time was 8:00p.m

There are 4 sets of 3 hours in 12 hours

Then,number of seconds that the watch lost=3×4

=12sec

Therefore the correct time will be 8:00:12 hours