Walking 7/6 of his usual rate, a boy reaches his school 4 min early. F – InterviewSolution

InterviewSolution

1.

Walking 7/6 of his usual rate, a boy reaches his school 4 min early. Find his usual time to reach the school?

Answer»

28 min

Speed RATIO = 1:7/6 = 6:7

Time Ratio = 7:6

1 -------- 7

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