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Q.
The difference between the time taken by two trains to travel a distance of 350 km is 2 hours 20 minutes. If the difference between their speeds is 5 km/hr, what is the speed of faster train ?
A.
36 kmph
B.
30 kmph
C.
34 kmph
D.
40 kmph
View Answer
Correct choice: B
Explanation:
Let the speed of the faster train be 'S' kmph Then speed of the slower train will be '(S-5)' kmph Time taken by faster train = 350/S hrs Time taken by slower train = 350/(S-5) hrs 350/s−5 − 350/s = 2 hrs 20 min = 2 1/3 = 7/3 => S = 30 km/hr.
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