Question
Ratio of the lengths of two trains βXβ and βYβ
is 5:7 respectively and the ratio of time taken by them to cross a pole is 2:3 respectively. If speed of train βXβ is 105 km/h, then find the speed of train βYβ.Solution
Speed of Train Y = 105 Γ (7/3) Γ (2/5) => 105 Γ 14/15 = 98 km/h
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