Speed, Distance & Time

Distance = speed × time ties the whole topic together. Most errors come from mixed units, so convert first and calculate second.

🎯 Try it yourself

Tap an answer. You'll see if it's right, and why. Easy ones come first.

1. Q1Easy

   A car goes at 20 km/h for 6 hours. How many km does it go?

   1. A120
   2. B126
   3. C140
   4. D26
   Show answer

   Answer: A. 120

   💡 Distance = speed × time = 20 × 6 = 120 km.

2. Q2Easy

   A car goes at 30 km/h for 3 hours. How many km does it go?

   1. A33
   2. B60
   3. C98
   4. D90
   Show answer

   Answer: D. 90

   💡 Distance = speed × time = 30 × 3 = 90 km.

3. Q3Easy

   A car goes at 50 km/h for 3 hours. How many km does it go?

   1. A141
   2. B53
   3. C150
   4. D100
   Show answer

   Answer: C. 150

   💡 Distance = speed × time = 50 × 3 = 150 km.

4. Q4Medium

   A truck covers 175 km in 5 hours. Its speed in km/h?

   1. A30
   2. B170
   3. C35
   4. D33
   Show answer

   Answer: C. 35

   💡 Speed = distance ÷ time = 175 ÷ 5 = 35 km/h.

5. Q5Medium

   A truck covers 230 km in 2 hours. Its speed in km/h?

   1. A125
   2. B117
   3. C228
   4. D115
   Show answer

   Answer: D. 115

   💡 Speed = distance ÷ time = 230 ÷ 2 = 115 km/h.

6. Q6Medium

   A bus covers 840 km in 7 hours. Its speed in km/h?

   1. A130
   2. B833
   3. C120
   4. D115
   Show answer

   Answer: C. 120

   💡 Speed = distance ÷ time = 840 ÷ 7 = 120 km/h.

7. Q7Hard

   Kavya drives to the market at 90 km/h and back at 60 km/h. Average speed for the round trip?

   1. A72
   2. B150
   3. C30
   4. D75
   Show answer

   Answer: A. 72

   💡 Same distance both ways, so average speed = 2 × 90 × 60 ÷ (90 + 60) = 72 km/h — not the simple average 75.

8. Q8Hard

   Kavya drives to the station at 20 km/h and back at 60 km/h. Average speed for the round trip?

   1. A30
   2. B10
   3. C27
   4. D80
   Show answer

   Answer: A. 30

   💡 Same distance both ways, so average speed = 2 × 20 × 60 ÷ (20 + 60) = 30 km/h — not the simple average 40.