Multiple choice

A train covers a distance of 225km in 2½ hours at a uniform speed. The time taken by the train (in hours) to cover a distance of 630km at the same speed is:

  1. 6

  2. 7

  3. 4

  4. 5
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Speed = distance/time = 225/2.5 = 90 km/h. For 630 km at same speed: time = distance/speed = 630/90 = 7 hours. This uniform speed problem requires calculating speed first, then applying it to the new distance. The key is maintaining the same speed throughout.

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