Question

A clock takes 8 seconds to strike at 5 O' clock. Then time taken by the clock to strike when the time is 10 O' clock?

• A. 12 seconds
• B. 18 seconds
• C. 20 seconds
• D. 15 seconds

Answer 1

Answer:

B. 18 seconds

There are 4 intervals to strike 5 times. Time taken for 4 intervals =8 seconds . Time taken for 1 interval=2s. To strike 10 times there are 9 intervals. Time taken for 9 intervals =9x2= 18 s.