Rucha, Jaish and Smith started solving sum together. They take 12, 18 and 21 minutes
respectively to solve the sum. After how much time will they start solving a new sum?
Answers
Answered by
1
Answer:
252
Step-by-step explanation:
L.C.M of 12,18,21=252
So,after 252 minutes they will start a new sum.
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