Class 5 Mathematics Chapter 12: Racing Seconds — practice questions with answers
Free practice for Class 5 Mathematics, Chapter 12: Racing Seconds. Try the solved questions below, then take a free test with instant marking and explanations.
30 questions12 easy, 12 medium, 6 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. 1 minute = ______ seconds
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Answer: 60
Why: The chapter introduces the unit second: 1 min = 60 seconds. [p.157]
Why: The chapter introduces the unit second: 1 min = 60 seconds. [p.157]
Q2. Why are seconds used in a 200 m walking race?
- To see small differences in the time taken by participants
- Because races take many hours
- Because minutes are not a unit of time
- To count the steps
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Answer: A. To see small differences in the time taken by participants
Why: Each child took 1 minute and some more; seconds help us see who was faster by a small amount. [p.157]
Why: Each child took 1 minute and some more; seconds help us see who was faster by a small amount. [p.157]
Q3. In a race, Akira took 1 min 56 s, Sunita 1 min 55 s and Mary 1 min 57 s. Who won?
- Akira
- Sunita
- Mary
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Answer: B. Sunita
Why: All took 1 minute; compare the seconds: 55 < 56 < 57. Sunita took the least time, so she won. [p.156–157]
Why: All took 1 minute; compare the seconds: 55 < 56 < 57. Sunita took the least time, so she won. [p.156–157]
Q4. Which activity is best measured in SECONDS?
- Snapping fingers
- Melting of an ice cube
- Making a phone call
- Washing clothes
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Answer: A. Snapping fingers
Why: Snapping fingers takes much less than a minute; melting ice and phone calls usually take minutes. [p.157]
Why: Snapping fingers takes much less than a minute; melting ice and phone calls usually take minutes. [p.157]
Q5. Find the time elapsed from 01:15 p.m. to 01:42 p.m. (in minutes).
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Answer: 27 (± 0)
Why: Both times are in the same hour: 42 − 15 = 27 minutes. [p.155]
Why: Both times are in the same hour: 42 − 15 = 27 minutes. [p.155]
Q6. Raghav took 1 hour 20 minutes, Rani 2 hours 10 minutes and Ritu 1 hour 35 minutes to paint. Who took the least time?
- Raghav
- Rani
- Ritu
Show answer
Answer: A. Raghav
Why: In minutes: 80, 130 and 95. Raghav’s 80 minutes is the least. [p.155]
Why: In minutes: 80, 130 and 95. Raghav’s 80 minutes is the least. [p.155]
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Frequently asked questions
How many practice questions are there for Class 5 Mathematics Chapter 12: Racing Seconds?
30 questions (12 easy, 12 medium, 6 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 5 Mathematics syllabus, used by CBSE and many state boards.