Zakie travels from city A to city B. If Zakir drives his car at of his usual speed, he takes 45 minutes more than his usual time. What is his usual time in minutes?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 27.
Speed = Distance/time
usual speed : Present speed = 8 : 3
usual time : Present time = 3 : 8
Difference in time = (8 - 3) = 45 min
5 = 45 min
So, usual time = (45/5) × 3 = 27 min