Question

At 6′o clock a clock ticks 6 times. The time between first and last ticks is 30 seconds. How long does it tick at 12′o clock ?

A) 66 sec B) 55 sec C) 36 sec D) 24 sec

Answer 1

Step-by-step explanation:

time between first and last tick is 30 sec. i.e time of each interval is 6 sec. Similarly at 12'o clock, clock ticks 12 times i.e 11 interval (for first strike there is no time needed.) It will takes 66 sec at 12'o clock.