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Question 62
The ratio of speeds of two trains, one travelling at 45 km/hour and the other at 10 m/sec is
Solution
Speed of first train = 45 km/hr = $$45\times(\frac{5}{18})=12.5$$ m/s
Speed of second train = $$10$$ m/s
=> Required ratio = $$12.5:10$$
= $$5:4$$
=> Ans - (A)
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