Walking at 80% of his usual speed, a man is 10 mins late to his office. Find the usual time taken by hime to reach his office.

Walking at 80% of his usual speed, a man is 10 mins late to his office

1.	Walking at 80% of his usual speed, a man is 10 mins late to his office. Find the usual time taken by hime to reach his office.
A.	20 minutes
B.	30 minutes
C.	40 minutes
D.	50 minutes
Answer» D. 50 minutes

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Walking at 80% of his usual speed, a man is 10 mins late to his office. Find the usual time taken by hime to reach his office.

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