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In a shop, A bell rings every 18 seconds and another bell rings every 60 seconds. At 4.00 p.m. both the bells ring together. At what time will both the bells ring together again?

In a shop, A bell rings every 18 seconds and another bell rings every 60 seconds. At 4.00 p.m. both the bells ring together. At what time will both the bells ring together again? Correct Answer 4:03 p.m.

Given:

A bell rings every 18 seconds and another bell rings every 60 seconds

Concept used:

To find the time we need to find the LCM of time

Calculation:

LCM of 18 and 60 = 180

⇒ 180 sec = 3 minutes

So, both the bells ring together again after 3 minutes i.e 4:03 pm

∴ Required answer is 4:03 pm

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