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1. A machine can copy six pages in 9 seconds. How many pages can it copy in 24 minutes?
- A. 12
- B. 12
- C. 12
- D. 12
Answer: Option D
Explanation:
24 min × 60 = 1440 sec.
Needs 9 sec to copy 6 pages
1 sec to copy 6/9 pages
1440 sec to copy = (6×1440p/9 = 960 pages
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