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shivani |
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#1
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Dedicated Member ![]() Group: Members Posts: 3886 Joined: 1-August 05 Member No.: 2848 ![]() |
1. Guess the next number
77 58 49 45 29 27 23 |
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visuja |
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#2
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![]() Dedicated Member ![]() Group: Members Posts: 2210 Joined: 11-July 05 From: Singapore Member No.: 2745 ![]() |
maybe im making an assumption here, but its not very clear to me -- what that assumption is. Nevertheless, heres a solution:
Since a rope takes an hour to burn, if that rope is lit from both ends, the entire rope will take only half an hour to burn completely, irrespective of the rate at which each segment burns. So now, by the same logic, if the rope is lit at each quarter of its length, the entire rope should be burnt in 15 minutes. Then why is the second rope required !?? ![]() |
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Time is now: 18th July 2025 - 04:17 PM |