Manoj travels from City A to City B. If Manoj drives his car at of his normal speed, then he reaches City B 36 minutes late. Find the time (in minutes) that Manoj would have taken to travel from City A to City B if he drove at his normal speed.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 9.
Normal time taken = t minutes
If speed is 1/5 of normal, then time becomes 5t.
Extra time = 5t − t = 4t
hence‚ 4t = 36
⇒ t = 36/4 = 9
t = 36/4 = 9