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?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 56 km per hour.
Distance = Speed × Time = 40 × 7 = 280 km
To cover 280 km in 5 hours:
Required speed = 280 ÷ 5 = 56 km/h