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