1.

Walking 6/7th of his usual speed, a man is 12 minutes too late. The usual time taken by him to cover that distance is :

Answer»

1 hour 12 MIN.



New speed = 6/7 of USUAL speed.
New TIME = 7/6 of usual time.
(7/6 of usual time) - (usual time) = 1/5 hour.
Therefore, 1/6 of usual time = 1/5 hour
Usual time = 6/5 HOURS = 1 hour 12 min.



Discussion

No Comment Found