CBSE Class 6 Answered
four bells toll after an interval of 8,9,12, and 15 second respectively. When will thry toll again?
Asked by rajibissoupboy | 01 May, 2019, 05:33: PM
Expert Answer
Error in question
Four bells toll after an interval of 8,9,12, and 15 second respectively. When will they toll again together?
We need to find the LCM of 8 9 12 and 15
8 = 2x2x2
9 = 3x3
12 = 2x2x3
15 = 3x5
LCM = 2x2x2x3x3x5 = 360 seconds
All 4 bells will toll together after every 360 seconds
Answered by Arun | 02 May, 2019, 10:08: AM
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