Question 62. The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is:

(a) 70 km/hr

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(b) 75 km/hr

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(d) 87.5 km/hr

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Solution

The correct option is D (d) 87.5 km/hr
(d)

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