Arithmetic Ability
Clocks

7 / 42

Q.

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 ?

View Answer

Correct choice: A

Explanation:

For ticking 6 times, there are 5 intervals. Each interval has time duration of 30/5 = 6 secs At 12 o'clock, there are 11 intervals, so total time for 11 intervals = 11 x 6 = 66 secs.
7 / 42