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SSC GD 2019 PYQ — Question 74

SSC GD Constable (English) - 9th March 2019 Shift 2 • Quantitative Aptitude • Q74

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Train A took 30 minute to cover a distance of 50 km.If the speed of train B is 40% faster than train A, then the ratio of the respective speed of the both train is:

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Correct answer: D

Explanation

The correct answer is option 4 i.e. 5 : 7

Suppose speed of train A be 100kmpl

then, speed of train B be 100 + 40% of 100 

100 + 40 = 140kmpl

Ratio of speed = 100 : 140 = 5 : 7