3 ball toll at intervals of 12 minutes 15 minutes and 18 minutes respectively. if they start tolling together after what time will they next toll together
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2
1st ball =12min
2nd ball=15min
3rd ball =18min
if they toll together
1/12+1/15+1/18=37/180
so answer is 180/37
2nd ball=15min
3rd ball =18min
if they toll together
1/12+1/15+1/18=37/180
so answer is 180/37
Answered by
1
there will be lcm of 12,15 and 18
there lcm is 120 so after 120 min or 2 hr is answer
there lcm is 120 so after 120 min or 2 hr is answer
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