Question 66

A car can finish a certain journey in 10 hours at a speed of 48 km/h. In order to cover the same distance in 8 hours, the speed of the car must be increased by

Name: A car can finish a certain journey in 10 hours at a speed of 48 km/h. In order to cover the same distance in 8 hours, the speed of the car must be increased by
Uploaded: 2026-05-19T12:31:50.960217+05:30
Duration: 2 min 4 s
Description: A car can finish a certain journey in 10 hours at a speed of 48 km/h. In order to cover the same distance in 8 hours, the speed of the car must be increased by

Solution

Distance covered by car in 10 hours at 48 km/hr

= $$10\times48=480$$ km

Now, speed when it is covered in 8 hours = $$\frac{480}{8}=60$$ km/hr

Thus, speed must be increased by = $$60-48=12$$ km/hr

=> Ans - (C)

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