. Six bells commence tolling together and toll at intervals of 2,4, 6, 8 10

Question

. Six bells commence tolling together and toll at intervals of 2,4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ?

Options:

A . 4

B . 10

C . 15

D . 16

Answer: Option D

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