Latest Gate Aptitude Question SOLUTION: A bus covered a distance of 160 km in 4 hrs covering a part of it at 30 kmph and the remaining at 70 kmph.For how much time did the us travel at 70 kmph? a)0.5 hr b)1 hr c)1 1/2 h

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(#M40105419) GATE Category question Keep an EYE

A bus covered a distance of 160 km in 4 hrs covering a part of it at 30 kmph and the remaining at 70 kmph.For how much time did the us travel at 70 kmph?
a)0.5 hr b)1 hr c)1 1/2 hs d)2 hrs

Asked In Gate Jaspalsingh Parmar (9 years ago)

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Shrinivas  (5 years ago)

The answer to this is 1 hour.
The bus traveling at 70km/p.h covers a distance of 70 kilometers
So the remaining distance is 160-70=90
The bus has traveled for 4 hours. 1 hour at a speed of 70 so remaining is
3 hours. So speed=distance/time
distance=speed * time
=30*3=90 which is the remaining distance

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