Raju travels at 3/4 of his usual speed and reaches his office 24 minutes late than his usual time. If Raju travels at his usual speed, then what will be the time taken by him to reach his office?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 72 minutes.
| Understanding/Application |
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Let usual speed = 4 m/min usual time taken = t minutes Raju's new speed = 3 m/min Also, speed is inversely proportionally to time. |
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ATQ - 3/4 = t/t+24 3t + 72 = 4t t = 72 minutes |