Problems on L.C.M and H.C.F - Data Intensity 1 :: Discussion


10.The wheels revolve round a common horizontal axis. They make 15, 20 and 48 revolutions in a minute respectively. Starting with a certain point on the circumference down wards. After what interval of time will they come together in the same position?
A.1 min
B.2 min
C.3 min
D.None
Answer:  Option  A
Explanation:

Tutorial Link:
Published by:Michael Daani

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