Walking towards a bus stop at $\frac{5}{7}$ of his usual speed, Rakesh missed the bus by 10 minutes. What is the usual time that Rakesh takes to reach the bus stop just in time for the bus ?
Answer & explanation
Correct answer: option 2
Ratio of , Usual New
Speed 7 : 5
Time 5 : 7
ATQ ,
2R = 10 minutes
1R = 5 minutes
Usual time taken = 5R = 5 × 5 = 25 minutes