Question

10. A is twice as fast as B and B is thrice as fast
as C. The journey covered by C in 42 minutes
will be covered by A in
(Railways, 2006)​

Answer 1

Answer:

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Answer 2

Answer:

Let C's speed = x kmph,

B's speed = 3x kmph

& A's speed = 6x kmph

therefore Ratio of speeds of A, B, C = 6x :3x : x = 6:3:1

Ratio of times taken = 1/6 : 1/3 : 1 = 1 : 2 : 6

If C takes 6 min, A takes 1 min

If C takes 42 min,

A takes (1/6 * 42) min = 7 min

Option 2)

Explanation:

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