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A school has 500 students. Its enrollment rises by 5%. How many students are there after the increase?

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Question: A school has 500 students. Its enrollment rises by 5%. How many students are there after the increase?

  1. 526
  2. 525
  3. 524
  4. 527

Correct Answer: B — 525

Explanation: New enrollment = original enrollment × (100 + increase%)/100.
500 × (100 + 5) ÷ 100 = 525.

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