Problem 2 · 2017 Math Kangaroo
Easy
Arithmetic & Operations
number-systems
What is the time 17 hours after 17 o’clock?
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Answer: B — 10:00
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Hint 1 of 2
A clock runs in cycles, but it is easier here to think in a 24-hour day.
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Hint 2 of 2
Add the hours, then subtract a full day if you go past 24.
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Approach: add then reduce by 24
- 17 o'clock plus 17 hours is 34 o'clock.
- Subtract one full day: 34 − 24 = 10.
- So the time is 10:00.
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