Question

question no 27 slove karo yarr abhi tak koi nhi kiya hai...... copy par bana ke send karna step by step karna ok

Answer 1

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Answer 2

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✍Your answer⬇⬇⬇⬇

Given: 6 bells commence tolling together and toll at intervals of 2,4, 6,8,10,12.

To find least time after each bells rings together we find L.C.M. of 2,4,6,8,10,12.

As;
2= 2×1
4=2×2
6=2×3
8=2×2×2
10=2×5
12=2×2×3

So, L.C.M. of 2,4,6,8,10,12= 2×2×3×5= 120

So, after each 120 minutes or 2 hours all 6 bells rings together.

So,
In 30 hours they will rings 15 times. But they also rings together at starting.

Therefore,
Total number of times they will rings together= 15+1= 16

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