Time, Speed & Distance

JKSSB Panchayat Account Assistant · Mathematics · 34 practice questions with answers and explanations: 12 Easy, 11 Medium, 11 Hard.

Sample questions

Sample Easy question 1

A cyclist covers 45 km in 3 hours. Find his speed.

  1. 12
  2. 13
  3. 14
  4. 15
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Answer: D. Speed = distance/time = 45/3 = 15 km/h.

Sample Medium question 2

Two trains 120 km apart move towards each other at 40 km/h and 60 km/h. In how much time will they meet?

  1. 1 hr
  2. 1.2 hrs
  3. 1.5 hrs
  4. 2 hrs
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Answer: B. Relative speed = 100 km/h, time = 120/100 = 1.2 hrs.

Sample Hard question 3

Two trains 150 m and 100 m long run in opposite directions at 54 km/h and 36 km/h. Find the time taken to cross each other.

  1. 8 s
  2. 9 s
  3. 10 s
  4. 11 s
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Answer: C. Relative speed = 90 km/h = 25 m/s, total length = 250 m, time = 250/25 = 10 s.

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