Three bells ring at intervals of 6, 12 and 18 minutes. If all the three bells rang at 6 a.m., when will they ring togeth... | SA 3m | Maths | SuperPadhai

Real Numbers > Question

SA3 marksYear: 2023EasyCBSE Class 10

real-numberslcmbells

Question

Three bells ring at intervals of 6, 12 and 18 minutes. If all the three bells rang at 6 a.m., when will they ring together again?

Solution

1

LCM of

6, 12, 18 = 36

+2 marks

2

So, all the three bells ring together after 36 minutes at 6:36 AM

+1 mark

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