Question 66

A car can finish a certain journey in 10 hoursat a speed of 48 km/h. In orderto cover the séme distance in 8 hours, the speed of the car mustbe 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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