A car travels 20 km in 1 / 2 hour. What is its speed in km/h?
Question 1
Q1. A car travels 20 km in 1 / 2 hour. What is its speed in km/h?
Answer: 40 km/h
Explanation: Speed = distance / time = 20 km / (1 / 2 hour) = 20 * 2 = 40 km/h.