# Time and Distance – Questions and detailed solutions

Question 31. A train covers a distance of 600 km in 8 hours. If it covers half the distance at a speed of 80 kmph and the other half at a speed of 100 kmph, what is the average speed of the train for the entire journey?

• (a)92.12 km/h.
• (b)87.5 km/h.
• (c) 88.89 km/h.
• (d)71.85 km/h.

Question 32. A car travels at a speed of 60 kmph for the first 4 hours, 50 kmph for the next 3 hours, and 40 kmph for the remaining distance. If the total distance covered is 350 km, how long does the car take to complete the journey?

• (a) 5 hours
• (b) 6 hours
• (c) 7 hours
• (d) 8 hours

Question 33.A boat can travel a certain distance downstream in 5 hours. If it covers the same distance upstream in 10 hours, what is the speed of the boat in still water and the speed of the stream?

• (a) 3,4
• (b) 5,4
• (c) 2,8
• (d) None of the above

Question 34. A train covers a distance of 800 km in 10 hours. If it covers half the distance at a speed of 80 kmph and the other half at a speed of 100 kmph, what is the average speed of the train for the entire journey?

• (a) 87.5 km/h.
• (b) 90 km/h.
• (c) 88.89 km/h.
• (d) 92.65 km/h.

Question 35. A car travels at a speed of 45 kmph for the first 3 hours, 60 kmph for the next 2 hours, and 30 kmph for the remaining distance. If the total distance covered is 225 km, how long does the car take to complete the journey?

• (a) 82.50 km/h.
• (b) 81.55 km/h.
• (c) 88.89 km/h.
• (d) 75.10 km/h.

Author: user