Walking 7/8th of its usual speed a man is 6 minutes too late the usual time taken by him to cover that distance is?  Choose the correct choice from the following options
A) 15min
B) 1hr 5 min
C) 1hr 8 min
D) 42min
E) 52min
need speed =7/8 of the used speed   new time= 8/7 of usual time   (8/7 of the usual time)- (usual time)=1/10hr   1/ 7 of the usual time=1/10   usual time =7/10=42 min   Answer(42min)
<result>D</result>
Walking 7/8th of its usual speed a man is 6 minutes too late the usual time taken by him to cover that distance is?