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Quantitative Aptitude

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Time & Distance

Question
5 out of 35
 

A bus cover a distance of 330 km in certain time at certain speed. When driver increased its speed by 20% then bus take 1 hour less time to cover previous distance. What will be difference between previous speed and new speed?



A 66 Km/h
B 55 Km/h
C 11 Km/h
D 22 Km/h
E None of these

Ans. C

Let previous speed = x

After increasing 10% in speed, New speed be = x + x ×20% =1.2x

Difference = (1.2x – x) = 0.2x = 0.2 ×55 = 11 km

Time & Distance Flashcard List

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