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Since the faster train left Delhi in 30 minutes after the slower train Distance traveled by the slower train in 0.5hours = 0.5 × 100 = 50 km … {30 minutes = (30/60) 0.5hours} The relative speed of given two trains while. travelling in the same direction = 136 -100 = 36km/h time after which they meet =50/36 = 1.38 approx. travel distance = 1.38 ×136 = 188km
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