Question
If the ratio of speeds of ‘X’, ‘Y’ and ‘Z’ is
6:3:9 respectively, and ‘X’ takes 30 seconds to cover 360 metres, then find the time taken by ‘Z’ to cover 540 metres.Solution
ATQ,
Speed of ‘X’ = (360 / 30) = 12 m/s
Speed of ‘Z’ = 12 × (9/6) = 18 m/s
Time taken by ‘Z’ to cover 540 metres = (540 / 18) = 30 seconds
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