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Along a road lies an odd number of stone...

Along a road lies an odd number of stones placed at intervals of 10 m. These stones have to be assembled around the middle stone. A person can carry one stone at a time, A man started the job with one of the end of the stones by carrying in them succession. In carrying all the stones, he covered a distance of 3 km. Find the number of stones.

Text Solution

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The correct Answer is:
Number of stones `= 2n +1 =2 xx 12 + 1 = 25`
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