Question
Ratio of the lengths of two trains ‘X’ and ‘Y’
is 6:7 respectively and the ratio of time taken by them to cross a pole is 4:5 respectively. If speed of train ‘X’ is 120 km/h, then find the speed of train ‘Y’.Solution
Speed of Train Y = 120 × (7/5) × (4/6) => 120 × 14/15 = 112 km/h
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