safwanarif1102009 safwanarif1102009

06-09-2021
Mathematics

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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?

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hafsaht hafsaht

06-09-2021

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

they will ring again at 9:45am

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