In a garden the sound of a sparrow,a crow and a parrot is heard after every 10 seconds, 12 seconds and 20 seconds respectively. Last they were heard together at 5:30 am. When they will next sound together?
Answers
Answered by
1
Answer:
At 5:31am (find the L.C.M)
Answered by
1
Answer:
5:31 am
Step-by-step explanation:
10=2*5
12=2*2*3
20=2*2*5
LCM=(2^2)*3*5
=60 seconds
=1 minute
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