Question : By driving the car at an average speed of 40 km per hour, I reach my destination in 7 hours. With what speed I can reach the same destination in 5 hours?
Option 1: 50 km per hour
Option 2: 56 km per hour
Option 3: 55 km per hour
Option 4: 65 km per hour
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Correct Answer: 56 km per hour
Solution :
Given: Speed = 40 km per hour
Time = 7 hours
Distance = speed × time = 40 × 7 = 280 km
Thus, the required speed = $\frac{280}{5}$ = 56 km/hr
Hence, the correct answer is 56 km per hour.
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