Two cyclists began a training run simultaneously, one starting from Pune, the other from Mumbai. When the riders were 150 Km apart, a fly took an interest. Starting on one cyclist’s shoulder, the fly flew ahead to meet the other cyclist. On reaching the latter, fly at once turned back. The restless fly continued to shuttle back and forth until the pair met; then it settle on the nose of one of the cyclists.The fly’s speed was 30 Km per hour. Each cyclist’s speed was 15 Km per hour. How many km did the fly travel?

vedant choudhari , 12 Years ago

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