NCHMCT JEE 2014 Question Paper with solutions for online practice

Question : 25 of 200

Marks: +1, -0

A is twice as fast as B and B is thrice as fast as C is. The journey covered by C in 42 minutes, will be covered by A in

Solution:

Ratio of speed of A : B : C = 6 : 3 : 1
Hence, ratio of time taken to cover the same distance = 1 : 3 : 6
Hence, time taken by A =

{42}/6

= 7 min

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