CMAT 2018 Solved Question Paper

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Question : 2 of 100

Marks: +1, -0

Rakesh covers 12 km at 6 km/hr , 36 km at 9 km/hr and then 32 km at 4 km/hr. Find the approximate average speed in covering the whole distance.

5.52 km/hr
4.2 km/hr
5.71 km/hr
5 km/hr

Solution:

Average speed =

{\Total \distance}/{\Total \time \taken}

Average speed =

{12 + 36 + 32}/{{12/6} + {36}/9 + {32}/4

=

{80}/{14}

= 5.71 km/hr

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