1.

Two trains are running with speeds in the ratio of 4 ∶ 5. If the first train covers 150 km in 2.5 hours, how much time would the second train take to cover the same distance?

A. 2 hours
B. 3.5 hours
C. 3 hours
D. 1.5 hours
Answer» B. 3.5 hours


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