🎯 RankerClub is 100% Free — 97 full-length mock tests with an instant all-India rank. Register Free →
RankerClub
Log in Get Started Free
Log in Register Free

SSC CHSL Speed, Time & Distance Questions with Answers & Explanations

20 Speed, Time & Distance questions from the Quantitative Aptitude section of SSC CHSL, each with the correct answer and a worked explanation. Try each question first, then tap Show answer to check. When you're ready, take the timed chapter-wise test to see your all-India rank.

Take the Quantitative Aptitude test → SSC CHSL full mocks
Question 1

A speed of 198 km/h is equal to

  1. A60 m/s
  2. B712.8 m/s
  3. C55 m/s
  4. D99 m/s
Show answer
Answer: (C) 55 m/s Multiply by 5/18: 198 × 5/18 = 55 m/s.
Question 2

A train 350 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A18 seconds
  2. B14 seconds
  3. C16 seconds
  4. D13 seconds
Show answer
Answer: (B) 14 seconds Speed = 90 × 5/18 = 25 m/s; time = 350 ÷ 25 = 14 s.
Question 3

A train 120 m long running at 72 km/h crosses a platform in 17 seconds. What is the length of the platform?

  1. A200 m
  2. B220 m
  3. C340 m
  4. D250 m
Show answer
Answer: (B) 220 m Distance covered = 20 × 17 = 340 m = train + platform, so platform = 220 m.
Question 4

A speed of 72 km/h is equal to

  1. A36 m/s
  2. B15 m/s
  3. C25 m/s
  4. D20 m/s
Show answer
Answer: (D) 20 m/s Multiply by 5/18: 72 × 5/18 = 20 m/s.
Question 5

A train 500 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A21 seconds
  2. B19 seconds
  3. C20 seconds
  4. D17 seconds
Show answer
Answer: (C) 20 seconds Speed = 90 × 5/18 = 25 m/s; time = 500 ÷ 25 = 20 s.
Question 6

A boat goes 39 km downstream in 3 hours and 15 km upstream in 3 hours. What is the speed of the stream?

  1. A4 km/h
  2. B9 km/h
  3. C5 km/h
  4. D8 km/h
Show answer
Answer: (A) 4 km/h Downstream speed = 13, upstream = 5; stream = (downstream − upstream)/2 = 4 km/h.
Question 7

A train 200 m long is running at 36 km/h. How long will it take to cross a pole?

  1. A20 seconds
  2. B16 seconds
  3. C17 seconds
  4. D19 seconds
Show answer
Answer: (A) 20 seconds Speed = 36 × 5/18 = 10 m/s; time = 200 ÷ 10 = 20 s.
Question 8

A person travels from P to Q at 60 km/h and returns at 90 km/h. What is the average speed for the whole journey?

  1. A69 km/h
  2. B74 km/h
  3. C72 km/h
  4. D75 km/h
Show answer
Answer: (C) 72 km/h For equal distances, average speed = 2ab/(a + b) = 72 km/h.
Question 9

A train 175 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A9 seconds
  2. B4 seconds
  3. C7 seconds
  4. D11 seconds
Show answer
Answer: (C) 7 seconds Speed = 90 × 5/18 = 25 m/s; time = 175 ÷ 25 = 7 s.
Question 10

A boat goes 54 km downstream in 3 hours and 24 km upstream in 3 hours. What is the speed of the stream?

  1. A10 km/h
  2. B6 km/h
  3. C5 km/h
  4. D13 km/h
Show answer
Answer: (C) 5 km/h Downstream speed = 18, upstream = 8; stream = (downstream − upstream)/2 = 5 km/h.

Ready for the real thing?
Timed Quantitative Aptitude test · 25 questions · instant rank

Start free test
Question 11

A train 110 m long running at 54 km/h crosses a platform in 17 seconds. What is the length of the platform?

  1. A255 m
  2. B125 m
  3. C145 m
  4. D175 m
Show answer
Answer: (C) 145 m Distance covered = 15 × 17 = 255 m = train + platform, so platform = 145 m.
Question 12

A speed of 108 km/h is equal to

  1. A30 m/s
  2. B388.8 m/s
  3. C35 m/s
  4. D25 m/s
Show answer
Answer: (A) 30 m/s Multiply by 5/18: 108 × 5/18 = 30 m/s.
Question 13

A train 450 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A20 seconds
  2. B15 seconds
  3. C18 seconds
  4. D17 seconds
Show answer
Answer: (C) 18 seconds Speed = 90 × 5/18 = 25 m/s; time = 450 ÷ 25 = 18 s.
Question 14

A boat goes 57 km downstream in 3 hours and 21 km upstream in 3 hours. What is the speed of the stream?

  1. A7 km/h
  2. B6 km/h
  3. C13 km/h
  4. D12 km/h
Show answer
Answer: (B) 6 km/h Downstream speed = 19, upstream = 7; stream = (downstream − upstream)/2 = 6 km/h.
Question 15

A train 190 m long running at 36 km/h crosses a platform in 30 seconds. What is the length of the platform?

  1. A90 m
  2. B140 m
  3. C110 m
  4. D300 m
Show answer
Answer: (C) 110 m Distance covered = 10 × 30 = 300 m = train + platform, so platform = 110 m.
Question 16

A person travels from P to Q at 45 km/h and returns at 90 km/h. What is the average speed for the whole journey?

  1. A67.5 km/h
  2. B62 km/h
  3. C65 km/h
  4. D60 km/h
Show answer
Answer: (D) 60 km/h For equal distances, average speed = 2ab/(a + b) = 60 km/h.
Question 17

A speed of 144 km/h is equal to

  1. A518.4 m/s
  2. B40 m/s
  3. C72 m/s
  4. D45 m/s
Show answer
Answer: (B) 40 m/s Multiply by 5/18: 144 × 5/18 = 40 m/s.
Question 18

A train 360 m long is running at 72 km/h. How long will it take to cross a pole?

  1. A15 seconds
  2. B18 seconds
  3. C19 seconds
  4. D20 seconds
Show answer
Answer: (B) 18 seconds Speed = 72 × 5/18 = 20 m/s; time = 360 ÷ 20 = 18 s.
Question 19

A train 240 m long is running at 54 km/h. How long will it take to cross a pole?

  1. A20 seconds
  2. B16 seconds
  3. C13 seconds
  4. D17 seconds
Show answer
Answer: (B) 16 seconds Speed = 54 × 5/18 = 15 m/s; time = 240 ÷ 15 = 16 s.
Question 20

A boat goes 66 km downstream in 3 hours and 54 km upstream in 3 hours. What is the speed of the stream?

  1. A3 km/h
  2. B18 km/h
  3. C2 km/h
  4. D4 km/h
Show answer
Answer: (C) 2 km/h Downstream speed = 22, upstream = 18; stream = (downstream − upstream)/2 = 2 km/h.

These are RankerClub practice questions written in the SSC CHSL pattern. They are not official SSC/IBPS/RRB papers.

More Quantitative Aptitude topics

Number System 30 Qs Profit, Loss & Discount 22 Qs Simple & Compound Interest 20 Qs Ratio & Proportion 18 Qs Algebra 18 Qs Mensuration 18 Qs Percentage 17 Qs Geometry 17 Qs

All SSC CHSL topics →