Interview Questions and Answers

A person walking at 5/6th of his usual speed is 40 minutes late to his office. What is his usual travel time to his office? 


3 hours 20 minutes


3 hours 15 minutes


3 hours 30 minutes


3 hours

Correct Option - A


Let his usual speed be x kmph, 

the distance to his office be y km and 

his usual travel time be t hrs.

y = xt = (5/6)x * (t+(40/60))

Solving the equation, 

t = 3.33 hrs = 3 hrs 20 minutes

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