(a) A bulb on a pole flashes once every 20 seconds.
Another bulb on another pole flashes once every
30 seconds. If they flash together now, how long
will it take for the two bulbs to flash together
again?
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Answers
Answered by
1
ans:- 1 min
If you do the LCM of 20 and 30 you will get the answer
Answered by
0
Answer:
It would take them 60seconds to again flash at the same time.
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