TS ICET 23 May 2018 Shift 1 Paper

Question : 98 of 200

Marks: +1, -0

A man travels

1/2

of the total distance with a speed of 40 kmph.

1/3

distance at a speed of 50 kmph and the remaining distance at a speed of 100 kmph. Then the average speed in kmph is?

Solution:

Let the total distance travelled be
Average speed

={\text " Total distance "}/{\text " Total time "}={{d}/{2}}/{40}+{{d}/{3}}/{50}+{{d}/{6}}/{100}

=1200/25=48

kmph

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