Time, Speed & Distance

JKSSB Assistant Training Officer (Handicrafts & Handlooms) · Reasoning · 34 practice questions with answers and explanations: 15 Easy, 16 Medium, 3 Hard.

Sample questions

Sample Easy question 1

Two cars start from the same point at the same time, traveling in the same direction at 40 km/h and 55 km/h. After how long will they be 60 km apart?

  1. 4 hrs
  2. 4.5 hrs
  3. 3 hrs
  4. 3.5 hrs
Show answer

Answer: A. Relative speed = 15 km/h; time = 60/15 = 4 hours.

Sample Easy question 2

A car covers 240 km in 4 hours. Find its speed.

  1. 58 km/h
  2. 65 km/h
  3. 55 km/h
  4. 60 km/h
Show answer

Answer: D. Speed = distance/time = 240/4 = 60 km/h.

Sample Easy question 3

A cyclist travels at 15 km/h for 3 hours. Find the distance covered.

  1. 45 km
  2. 40 km
  3. 48 km
  4. 42 km
Show answer

Answer: A. Distance = speed × time = 15 × 3 = 45 km.

Sample Medium question 4

A boat's speed in still water is 10 km/h and the current's speed is 2 km/h. Find the time taken to travel 24 km upstream.

  1. 2.5 hours
  2. 3.5 hours
  3. 3 hours
  4. 4 hours
Show answer

Answer: C. Upstream speed = 10-2 = 8 km/h. Time = 24/8 = 3 hours.

Sample Medium question 5

A boat's speed in still water is 12 km/h and the current's speed is 3 km/h. Find the time taken to travel 45 km downstream.

  1. 3 hours
  2. 3.5 hours
  3. 2.5 hours
  4. 4 hours
Show answer

Answer: A. Downstream speed = 12+3 = 15 km/h. Time = 45/15 = 3 hours.

Sample Medium question 6

A car travels from city A to city B at 30 km/h and returns at 50 km/h. Find its average speed for the entire journey.

  1. 40 km/h
  2. 36 km/h
  3. 38 km/h
  4. 37.5 km/h
Show answer

Answer: D. Average speed for a round trip = 2xy/(x+y) = 2×30×50/80 = 37.5 km/h.

Sample Hard question 7

A thief is spotted by a policeman 200 m away. When the policeman starts chasing, the thief also starts running. If the thief's speed is 8 km/h and the policeman's speed is 10 km/h, find the distance the thief runs before being caught.

  1. 900 m
  2. 800 m
  3. 850 m
  4. 750 m
Show answer

Answer: B. Relative speed = 10-8 = 2 km/h. Time to close 200 m (0.2 km) gap = 0.2/2 = 0.1 hours. Distance thief runs = 8 × 0.1 = 0.8 km = 800 m.

Sample Hard question 8

Walking at 5 km/h, a man is 6 minutes late; walking at 6 km/h, he is 2 minutes early. Find the distance to his destination.

  1. 4 km
  2. 4.5 km
  3. 3 km
  4. 3.5 km
Show answer

Answer: A. The time difference is 8 minutes = 8/60 hr; solving d/5 - d/6 = 8/60 gives d = 4 km.

Sample Hard question 9

A train overtakes two persons walking in the same direction at 3 km/h and 5 km/h respectively, and passes them in 10 and 11 seconds respectively. Find the speed of the train (in km/h).

  1. 27 km/h
  2. 23 km/h
  3. 25 km/h
  4. 29 km/h
Show answer

Answer: C. Since the train's length L is the same in both cases: (V-3)×10 = (V-5)×11 (using relative speed × time). This gives 10V-30 = 11V-55, so V = 25 km/h.

More Reasoning topics for JKSSB Assistant Training Officer (Handicrafts & Handlooms)

Related articles