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For Competitive Exams

A person walks at 5kmph for 6hr and at 4kmph for 12hr.The average speed is.

4 1/3
7 2/3
9 ½
8km
Explanation:

Avg speed = total distance/total time
= 5*6 + 4*12 / 18
=4 1/3 mph
Additional Questions

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2 minutes.

Answer

If a man runs at 3m/s. How many km does he run in 1hr 40min

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Vikas can cover a distance in 1hr 24min by covering 2/3 of the distance at 4 kmph and
the rest at 5kmph.the total distance is?

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walking at ¾ of his usual speed ,a man is late by 2 ½ hr.
the usual time is.

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In covering distance, the speed of A & B are in the ratio of 3:4.A takes 30min more
than B to reach the destination. The time taken by A to reach the destination is.

Answer

A person covers a certain distance at 7kmph .How many meters does he cover in 2
minutes

Answer

If a man runs at 3m/s. How many km does he run in 1hr 40 min

Answer

Walking at the rate of 4knph a man covers certain distance in 2hr 45 min. Running at a
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Answer

A man covers a distance on scooter .had he moved 3kmph faster he would have taken
40 min less. If he had moved 2kmph slower he would have taken 40min more. the
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Answer
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