A flash bulb on a Christmas tree flashes once in every 10 seconds. Anther bulb flashes once in every 15 seconds. if they are flashing together now, now long with it take for the two bulbs to flash together next ?
Answers
Answered by
4
Answer:
30
Step-by-step explanation:
L.C.M of 10 & 15 is 30
so bulbs will flash together after every 30 second
Answered by
1
Answer:
30
Step-by-step explanation:
Lcm of 10 and 15 is 30 so bulb will flash together after every 30 second
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