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SBI Clerk Speed, Time & Distance Questions with Answers & Explanations

20 Speed, Time & Distance questions from the Numerical Ability section of SBI Clerk, 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.

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Question 1

A boat goes 39 km downstream in 3 hours and 9 km upstream in 3 hours. What is the speed of the stream?

  1. A8 km/h
  2. B6 km/h
  3. C3 km/h
  4. D10 km/h
  5. E5 km/h
Show answer
Answer: (E) 5 km/h Downstream speed = 13, upstream = 3; stream = (downstream − upstream)/2 = 5 km/h.
Question 2

A boat goes 51 km downstream in 3 hours and 15 km upstream in 3 hours. What is the speed of the stream?

  1. A5 km/h
  2. B6 km/h
  3. C11 km/h
  4. D7 km/h
  5. E12 km/h
Show answer
Answer: (B) 6 km/h Downstream speed = 17, upstream = 5; stream = (downstream − upstream)/2 = 6 km/h.
Question 3

A train 475 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A21 seconds
  2. B19 seconds
  3. C22 seconds
  4. D20 seconds
  5. E15 seconds
Show answer
Answer: (B) 19 seconds Speed = 90 × 5/18 = 25 m/s; time = 475 ÷ 25 = 19 s.
Question 4

A train 130 m long is running at 36 km/h. How long will it take to cross a pole?

  1. A13 seconds
  2. B14 seconds
  3. C16 seconds
  4. D17 seconds
  5. E11 seconds
Show answer
Answer: (A) 13 seconds Speed = 36 × 5/18 = 10 m/s; time = 130 ÷ 10 = 13 s.
Question 5

A train 220 m long is running at 72 km/h. How long will it take to cross a pole?

  1. A10 seconds
  2. B9 seconds
  3. C13 seconds
  4. D12 seconds
  5. E11 seconds
Show answer
Answer: (E) 11 seconds Speed = 72 × 5/18 = 20 m/s; time = 220 ÷ 20 = 11 s.
Question 6

A boat goes 60 km downstream in 3 hours and 30 km upstream in 3 hours. What is the speed of the stream?

  1. A15 km/h
  2. B10 km/h
  3. C6 km/h
  4. D5 km/h
  5. ENone of these
Show answer
Answer: (D) 5 km/h Downstream speed = 20, upstream = 10; stream = (downstream − upstream)/2 = 5 km/h.
Question 7

A train 135 m long is running at 54 km/h. How long will it take to cross a pole?

  1. A5 seconds
  2. B9 seconds
  3. C10 seconds
  4. D7 seconds
  5. E12 seconds
Show answer
Answer: (B) 9 seconds Speed = 54 × 5/18 = 15 m/s; time = 135 ÷ 15 = 9 s.
Question 8

A boat goes 60 km downstream in 3 hours and 42 km upstream in 3 hours. What is the speed of the stream?

  1. A4 km/h
  2. B6 km/h
  3. C3 km/h
  4. D14 km/h
  5. E17 km/h
Show answer
Answer: (C) 3 km/h Downstream speed = 20, upstream = 14; stream = (downstream − upstream)/2 = 3 km/h.
Question 9

A train 195 m long is running at 54 km/h. How long will it take to cross a pole?

  1. A11 seconds
  2. B9 seconds
  3. C12 seconds
  4. D13 seconds
  5. E14 seconds
Show answer
Answer: (D) 13 seconds Speed = 54 × 5/18 = 15 m/s; time = 195 ÷ 15 = 13 s.
Question 10

A boat goes 54 km downstream in 3 hours and 36 km upstream in 3 hours. What is the speed of the stream?

  1. A12 km/h
  2. B3 km/h
  3. C15 km/h
  4. D4 km/h
  5. E6 km/h
Show answer
Answer: (B) 3 km/h Downstream speed = 18, upstream = 12; stream = (downstream − upstream)/2 = 3 km/h.

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Question 11

A train 375 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A14 seconds
  2. B16 seconds
  3. C15 seconds
  4. D13 seconds
  5. E19 seconds
Show answer
Answer: (C) 15 seconds Speed = 90 × 5/18 = 25 m/s; time = 375 ÷ 25 = 15 s.
Question 12

A boat goes 39 km downstream in 3 hours and 21 km upstream in 3 hours. What is the speed of the stream?

  1. A3 km/h
  2. B4 km/h
  3. C10 km/h
  4. D7 km/h
  5. E6 km/h
Show answer
Answer: (A) 3 km/h Downstream speed = 13, upstream = 7; stream = (downstream − upstream)/2 = 3 km/h.
Question 13

A train 400 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A14 seconds
  2. B12 seconds
  3. C16 seconds
  4. D15 seconds
  5. E19 seconds
Show answer
Answer: (C) 16 seconds Speed = 90 × 5/18 = 25 m/s; time = 400 ÷ 25 = 16 s.
Question 14

A train 90 m long is running at 36 km/h. How long will it take to cross a pole?

  1. A9 seconds
  2. B13 seconds
  3. C7 seconds
  4. D10 seconds
  5. E6 seconds
Show answer
Answer: (A) 9 seconds Speed = 36 × 5/18 = 10 m/s; time = 90 ÷ 10 = 9 s.
Question 15

A boat goes 48 km downstream in 3 hours and 24 km upstream in 3 hours. What is the speed of the stream?

  1. A8 km/h
  2. B12 km/h
  3. C4 km/h
  4. D5 km/h
  5. ENone of these
Show answer
Answer: (C) 4 km/h Downstream speed = 16, upstream = 8; stream = (downstream − upstream)/2 = 4 km/h.
Question 16

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

  1. A17 seconds
  2. B24 seconds
  3. C16 seconds
  4. D20 seconds
  5. E22 seconds
Show answer
Answer: (D) 20 seconds Speed = 90 × 5/18 = 25 m/s; time = 500 ÷ 25 = 20 s.
Question 17

A boat goes 36 km downstream in 3 hours and 24 km upstream in 3 hours. What is the speed of the stream?

  1. A4 km/h
  2. B8 km/h
  3. C3 km/h
  4. D10 km/h
  5. E2 km/h
Show answer
Answer: (E) 2 km/h Downstream speed = 12, upstream = 8; stream = (downstream − upstream)/2 = 2 km/h.
Question 18

A boat goes 45 km downstream in 3 hours and 9 km upstream in 3 hours. What is the speed of the stream?

  1. A9 km/h
  2. B3 km/h
  3. C7 km/h
  4. D6 km/h
  5. E12 km/h
Show answer
Answer: (D) 6 km/h Downstream speed = 15, upstream = 3; stream = (downstream − upstream)/2 = 6 km/h.
Question 19

A boat goes 30 km downstream in 3 hours and 18 km upstream in 3 hours. What is the speed of the stream?

  1. A4 km/h
  2. B8 km/h
  3. C3 km/h
  4. D6 km/h
  5. E2 km/h
Show answer
Answer: (E) 2 km/h Downstream speed = 10, upstream = 6; stream = (downstream − upstream)/2 = 2 km/h.
Question 20

A train 275 m long is running at 90 km/h. How long will it take to cross a pole?

  1. A11 seconds
  2. B8 seconds
  3. C9 seconds
  4. D15 seconds
  5. E13 seconds
Show answer
Answer: (A) 11 seconds Speed = 90 × 5/18 = 25 m/s; time = 275 ÷ 25 = 11 s.

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

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