Question
Speed of three friends P, Q and R are in the ratio of
7:6:5. If R covers a fixed distance in 40 minutes, how many minutes will P take to cover that same distance?Solution
ATQ,
Time ratio = (1/7):(1/6):(1/5) = 30:35:42
Time taken by P = (40 × 30) / 42 = 28.57 minutes
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