Time, Speed and Distance Practice Questions

One relation, distance = speed × time, powers this whole topic. Unit conversion and average speed are where most mistakes occur.

Watch the units

To convert km/h to m/s, multiply by 5/18. To go from m/s to km/h, multiply by 18/5. Mixed units are the most common reason for wrong answers.

Worked examples

Example 1. A train 150 m long crosses a pole at 54 km/h. Speed = 54 × 5/18 = 15 m/s. Time = 150 ÷ 15 = 10 seconds.

Example 2. A person covers 60 km at 30 km/h and another 60 km at 60 km/h. Total distance 120 km, total time 2 + 1 = 3 hours, so the average speed is 40 km/h, not 45.

Next steps

Pair with time and work for similar rate thinking. This topic features in SSC CGL quantitative aptitude and railway mathematics.

Related guides

Available mock tests

Time, Speed and Distance Practice Test 8 (25 Questions)

Time, Speed and Distance Practice Test 8 (25 Questions)

Xigma Academy

₹49 40 min
Time, Speed and Distance Practice Test 7 (20 Questions)

Time, Speed and Distance Practice Test 7 (20 Questions)

Xigma Academy

Free 30 min
Time, Speed and Distance Practice Test 6 (50 Questions)

Time, Speed and Distance Practice Test 6 (50 Questions)

ReadyGo Learn

₹99 75 min
Time, Speed and Distance Practice Test 5 (30 Questions)

Time, Speed and Distance Practice Test 5 (30 Questions)

ReadyGo Learn

Free 45 min
Time, Speed and Distance Practice Test 4 (40 Questions)

Time, Speed and Distance Practice Test 4 (40 Questions)

Xigma Academy

₹79 60 min
Time, Speed and Distance Practice Test 3 (25 Questions)

Time, Speed and Distance Practice Test 3 (25 Questions)

ReadyGo Learn

₹49 40 min

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Frequently asked questions

Because the time spent at each speed differs. Always divide total distance by total time.

Add the speeds when objects move toward each other and subtract them when they move in the same direction.