- A36
- B37.5
- C38
- D40
Step-by-Step Solution
Total distance = 300 km. Time = 150/50 + 150/30 = 3 + 5 = 8 h. Average speed = 300 ÷ 8 = 37.5 km/h.
Answer: B) 37.5
A man travels 150 km at 50 km/h and returns the same 150 km at 30 km/h. Find his average speed for the whole journey (answer in km/h).
Competition practiceSpeed, Time & Distance
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Speed, Time & Distance practice questions
More Speed, Time & Distance practice
A boat covers 30 km downstream in 2 hours and 18 km upstream in 3 hours. Find the speed…A train 240 metres long running at 72 km/h crosses a platform in 20 seconds. Find the…A boat travels 30 km downstream in 2 hours and 30 km upstream in 3 hours. Find the speed…A car covers a distance of 240 km at a uniform speed. If the speed had been 20 km/h…A motorboat covers 63 km downstream in 3 hours and the same 63 km upstream in 4.5 hours.…