Walking at 5/6th of its usual speed a cab is 15mnts late. Find its usual time to cover the journey?	Choose the correct choice from the following options:
A) 25m
B) 45m
C) 32m
D) 75m
E) 62m
New speed = 5/6th of usual speed   New time = 6/5th of usual time   6/5 UT - UT = 15m   UT/5 = 15m   UT = 75m   Answer is 75m
<result>D</result>
Walking at 5/6th of its usual speed a cab is 15mnts late. Find its usual time to cover the journey?