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A school has 700 students. Its enrollment rises by 15%. How many students are there after the increase?

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Question: A school has 700 students. Its enrollment rises by 15%. How many students are there after the increase?

  1. 806
  2. 805
  3. 804
  4. 807

Correct Answer: B — 805

Explanation: New enrollment = original enrollment × (100 + increase%)/100.
700 × (100 + 15) ÷ 100 = 805.

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