three Bells toll at intervals of 12 minutes ,15 minutes ,and 18 minutes , respectively. if they starts tolling together after what time they will next toll together.
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L.C.M ( 9,12,15)
9 = 3 x3
12 = 2 x 2 x 3
15 = 3 x 5
L.c.m ( 9,12,15) = 3x3x2x2x5 = 180 min or 3 hours.
∴ After 3 hours they toll together.
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#ninja
9 = 3 x3
12 = 2 x 2 x 3
15 = 3 x 5
L.c.m ( 9,12,15) = 3x3x2x2x5 = 180 min or 3 hours.
∴ After 3 hours they toll together.
(P. S. mark me as brainlist)
#ninja
rahulthakurdav:
thanks
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