Question

Ratio of the lengths of two trains ‘X’ and ‘Y’ is 4:5 respectively and the ratio of time taken by them to cross a pole is 3:4 respectively. If speed of train ‘X’ is 112 km/h, then find the speed of train ‘Y’.

A 99 km/h
B 105 km/h
C 72 km/h
D 88 km/h
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