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Bell A rings every 5 minutes and Bell B rings every 6 minutes. The two bells rings together at 9.15am.at which time the two bells rings together again?​

Bell A rings every 5 minutes and Bell B rings every 6 minutes. The two bells rings together at 9.15am.at which time the two bells rings together again?​
asked 171k views
3 votes
Bell A rings every 5 minutes and Bell B rings every 6 minutes. The two bells rings together at 9.15am.at which time the two bells rings together again?​

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User Pimenta
by
8.5k points

1 Answer

2 votes
find the lcm of 5 and 6 which is 30mins
9:15am + 30 mins = 9:45am

they will ring again at 9:45am
answered
User Shilaghae
by
8.7k points
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