X and Y are two stations 250 km apart. A train starts from X and moves towards Y at the rate of 10 km/h. Another train starts from Y at the same time and moves towards X at the rate of 15 km/h. How far from X will they cross each other?
Explanation:
Suppose they meet at a distance of x km. from x. Then,
x10=500-x15
⇒x=200 kms.
Hence, option (a)
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