Aptitude - Problems on H.C.F and L.C.M - Discussion
Discussion Forum : Problems on H.C.F and L.C.M - General Questions (Q.No. 3)
3.
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 ?
Answer: Option
Explanation:
L.C.M. of 2, 4, 6, 8, 10, 12 is 120.
So, the bells will toll together after every 120 seconds(2 minutes).
| In 30 minutes, they will toll together | 30 | + 1 = 16 times. |
| 2 |
Discussion:
172 comments Page 18 of 18.
Jai bharath said:
2 years ago
Thanks for the answer.
Anjil said:
1 week ago
@All.
If the bells didn't ring together, would we still add 1. Anyone, please explain to me.
If the bells didn't ring together, would we still add 1. Anyone, please explain to me.
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