Question

Two trains X and Y start at the same time in the opposite direction from two points P and Q and arrive at their destinations 25 and 16 hours respectively after their meeting each other. At what speed does the second train Y travel if the first train travels at 48 km/h.

Q: Answer-Two trains X and Y start at the same time in the opposite direction from two points P and Q and arri...

Let the speed and time of two trains be s1 and s2, and t1 and t2. s1s2 t2t112 48s2 45 s2 60 kmhr.

A 75 km/h

B 60 km/h

C 96 km/h

D 108 km/h

E 72 km/h

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Two trains X and Y start at the same time in the opposite direction from two points P and Q and arrive at their destinations 25 and 16 hours respectively after their meeting each other. At what speed does the second train Y travel if the first train travels at 48 km/h.

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