Post-UTME Mathematics 2013 Objective — Question 45
Question 45 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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The long minute hand of a clock is 7cm long. What distance does the tip of the minute hand move in 1¼ hours? (take π=22/7)
- A. 33cm
- B. 44cm
- C. 55cmCorrect
- D. 65cm
Explanation
One full revolution = 2π(7)=44cm. In 1¼ hours (1.25 revolutions), distance = 1.25×44=55cm.
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