Racing Seconds — Practice Quiz
CBSE · Class 5 · Mathematics
Try a 4-question quiz on Racing Seconds for CBSE Class 5 Mathematics: tap an answer to check it and see why. 41 questions in the full chapter test.
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Quick Quiz: Racing Seconds
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If it is 2:30 PM right now, what time will it be after 45 minutes?
Convert 3 hours 25 minutes to total minutes.
What is 8:35 PM in 24-hour format?
Rahul started his homework at 6:15 PM and finished at 7:50 PM. How much time did he spend on homework?
Sample Questions
Which of the following activities can be completed in less than 60 seconds?
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Blinking eyes, Snapping fingers, Making a phone call, Switching on lights, Filling a glass with water
Activities that take seconds: Blinking eyes (less than 1 second), snapping fingers (1 second), switching lights (2-3 seconds), filling a glass (10-20 seconds). Making a phone call usually takes several minutes, not seconds.
Convert 450 seconds to minutes and seconds.
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7 minutes 30 seconds
To convert seconds to minutes and seconds: Divide by 60. 450 ÷ 60 = 7 remainder 30. So 450 seconds = 7 minutes 30 seconds. Check: 7 × 60 + 30 = 420 + 30 = 450 seconds.
Which statements about time are correct?
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1 minute = 60 seconds, 1 hour = 60 minutes, 1 hour = 3600 seconds, Half an hour = 30 minutes
Correct time relationships: 1 minute = 60 seconds (not 100), 1 hour = 60 minutes, 1 hour = 60 × 60 = 3600 seconds, half an hour = 30 minutes. These are fundamental time conversions to remember.
If a race starts at 10:25 AM and ends at 10:31 AM, how long did the race last?
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6 minutes
To find race duration: End time - Start time = 10:31 AM - 10:25 AM = 6 minutes. Since both times are in the same hour, simply subtract the minutes: 31 - 25 = 6 minutes.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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