Q1 · medium · AI-verified
A car travels from city A to city B at 60 km/hr and returns at 40 km/hr. What is the average speed for the entire journey?
- 48 km/hr
- 52 km/hr
- 50 km/hr
- 45 km/hr
Q2 · easy · AI-verified
A cyclist covers a distance of 120 km at a speed of 15 km/hr. How much time will he take?
- 6 hours
- 12 hours
- 10 hours
- 8 hours
Q3 · hard · AI-verified
A train 240 m long moving at 72 km/hr overtakes another train 180 m long moving in the same direction. The overtaking takes 42 seconds. What is the speed of the second train in km/hr?
- 48 km/hr
- 18 km/hr
- 36 km/hr
- 54 km/hr
Q4 · medium · AI-verified
A train 300 m long is running at 90 km/hr. How much time will it take to cross a 600 m long bridge?
- 40 seconds
- 30 seconds
- 24 seconds
- 36 seconds
Q5 · medium · AI-verified
A train 150 m long passes a telegraph post in 10 seconds. What is the speed of the train in km/hr?
- 45 km/hr
- 60 km/hr
- 54 km/hr
- 36 km/hr