A car is 15 minutes late by running at a speed of 4/5th of its actual speed. The actual time taken by the car to cover that distance is:
Select.
A) 30 minutes
B) 1 hour
C) 2 hours
D) 3 hours
E) None of these
Explanation :   New speed=4/5th of its actual speed   New time=5/4th of its actual time   =&gt; 5/4t-t=15/60=1/4   =&gt; 1/4t=1/4   =&gt; t=1hour   Answer : 1 hour
<result>B</result>
A car is 15 minutes late by running at a speed of 4/5th of its actual speed. The actual time taken by the car to cover that distance is: