three bells toll at intervals of 9,12,15 min, if they started calling together after what time toll together
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Answered by
2
L.C.M. of 9 ,12 n 15 is 180
so they will ring together. again after 180 min or 3 hrs.
so they will ring together. again after 180 min or 3 hrs.
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2
bell one at 9 min
bell two at 12 min
bell three at 15 min
so now finding LCM
we will get answer
LCM of 9,12,15
=2×2×3×3×5
=180
so at time 180 minutes bell will toll together
bell two at 12 min
bell three at 15 min
so now finding LCM
we will get answer
LCM of 9,12,15
=2×2×3×3×5
=180
so at time 180 minutes bell will toll together
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