1.

To cover a distance of 416 km, a train A takes \(2\frac{2}{3}\) hours more than train B. If the speed of A is doubled, it would take \(1\frac{1}{3}\) hours less than B. What is the speed (in km/h) of train A?

A. 54
B. 56
C. 52
D. 65
Answer» D. 65


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