# A clock strikes once at 1 o’clock, twice at 2 o’clock and thrice 3 o’clock, and so on

A clock strikes once at 1 o’clock, twice at 2 o’clock and thrice 3 o’clock, and so on. If it takes 8 seconds to strike at 5 o’clock, the time taken by it to strike at 10 o’clock is

(a) 14 seconds

(b) 16 seconds

(c) 18 seconds

(d) None of the above

**Answer: (d) None of the above**