Time, Speed & Distance

JKSSB Class-IV & MTS · Mathematics · 34 practice questions with answers and explanations: 12 Easy, 11 Medium, 11 Hard.

Sample questions

Sample Easy question 1

Convert a speed of 20 m/s into km per hour.

  1. 65 km/h
  2. 68 km/h
  3. 70 km/h
  4. 72 km/h
Show answer

Answer: D. Speed in km/h = m/s × 18/5 = 20 × 18/5 = 72 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
Show answer

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
Show answer

Answer: C. Relative speed = 90 km/h = 25 m/s, total length = 250 m, time = 250/25 = 10 s.

More Mathematics topics for JKSSB Class-IV & MTS

Related articles