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Edwin
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Two trains are traveling towards each other, starting 100 kilometers apart. One train travels at 40 kilometers per hour while
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Minimum number of socks is three (3).
This is tricky question. The answer is 3 minimum pairs. First thing, The question does not insist upon the number of trails that you may make in order to get the same coloured pairs. It simply asks for the minimum number of socks required. The second
