Question

A clock strikes once at 1 o’clock, twice at 2 o’clock and thrice at 3 o’clock, and so on. If it takes 12 seconds to strike at 5 o’clock, what is the time taken by it to strike at 10 o’clock
A.
20 seconds

B.
24 seconds

C.
28 seconds

D.
30 seconds

Answer 1

Answer:

Step-by-step explanation:

24sec

Answer 2

Answer:

B.24

5 'o' clock is half of 10 'o' clock then the answer is also twice of 5 'o' clock.