Question 67

In covering a certain distance, the speeds of A and B are in the ratio of 3: 4. A takes 20 minutes more than B to reach the destination. The time taken by A to reach the destination is

Name: In covering a certain distance, the speeds of A and B are in the ratio of 3: 4. A takes 20 minutes more than B to reach the destination. The time taken by A to reach the destination is
Uploaded: 2026-06-14T17:08:23.378277+05:30
Duration: 3 min 32 s
Description: In covering a certain distance, the speeds of A and B are in the ratio of 3: 4. A takes 20 minutes more than B to reach the destination. The time taken by A to reach the destination is

Solution

Let time taken by B is $$t$$ minutes, and thus time taken by A = $$(t+20)$$ minutes

Also, speed is inversely proportional to time,

=> $$\frac{3}{4}=\frac{t}{t+20}$$

=> $$3t+60=4t$$

=> $$t=60$$

Thus, time taken by A = $$60+20=80$$ minutes = $$1\frac{1}{3}$$ hours

=> Ans - (B)

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