# Time and Distance – Questions and detailed solutions

Question 21. A train covers a distance of 500 km in 6 hours. If it travels at a speed of 100 kmph for the first 2 hours and then reduces its speed by 10%, what will be its average speed for the entire journey?

• (a)73.10 km/h.
• (b)77.20 km/h.
• (c)88.35 km/h.
• (d) 93.33 km/h.

Question 22. . A car travels at a speed of 90 kmph for the first 6 hours and then reduces its speed by 20%. How far will it travel in the next 3 hours?

• (a) 216 km.
• (b)312 km.
• (c)310 km.
• (d)311 km.

Question 23. A man walks at a speed of 4 kmph for the first half of his journey and then increases his speed by 15% for the second half. If he covers a total distance of 15 km, how long does he take to complete the journey?

• (a)4.5 hours
• (b) 3.5 hours
• (c)5.5 hours
• (d)2.5 hours

Question 24. A train covers a distance of 200 km in 2 hours. If the speed of the train is increased by 30%, how long will it take to cover the same distance?

• (a)2.44 hours
• (b) 1.54 hours
• (c)3.45 hours
• (d)4.45 hours

Question 25. A car covers a distance of 150 km in 2.5 hours. If the car stops for 20 minutes every hour, what is its average speed in km per hour?

• (a)37.10 km/h.
• (b)27.20 km/h.
• (c)57.10 km/h.
• (d) 47.30 km/h.

Author: user