Question

Aa flashing bulb on a Christmas tree flashes want every 10 seconds to other ball flash once every 15 seconds and 24 seconds respectively if all their three bulbs are flashing together now how long will it take for the three words to flash together again ​

Answer 1

Answer:

The three bulbs will flash together after 120 seconds.

Step-by-step explanation:

To find the time taken for all the three bulbs to flash together again, we must find the LCM of the time taken for each bulb to glow again.

If we see, the LCM of 10, 15 and 24 is 120.

Therefore, the three bulbs will glow together after 120 seconds.

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Answer 2

Answer:

LCM

Step-by-step explanation:

In three you can LCM and your answer is 120

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