Five bells commence tolling together and toll at intervals of 3,6,9,12 and 15 seconds respectively.  In 30 minutes, how many times do they toll together? - Study24x7
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3636 followers study24x7 01 Jan 1970 05:30 AM study24x7 study24x7

Five bells commence tolling together and toll at intervals of 3,6,9,12 and 15 seconds respectively.  In 30 minutes, how many times do they toll together?

A

4

B

10

C

15

D

16

SSC Banking Railways
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