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1. The average attendance of a college for the first three days of a week is 325 and first four days is 320. How many were present on the fourth day?
- A. 300
- B. 300
- C. 300
- D. 300
Answer: Option C
Explanation:
4th days attendance = (320×4 - 325×3)
= 1280 - 975 = 305
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