Question 55
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If n is a natural number such that n² + n = 650, what is n?
- A 26
- B 25 Correct
- C 24
- D 13
Correct Answer: Option B
n(n + 1) = 650
√650 ≈ 25.5 → try 25 × 26 = 650 ✔
n = 25
Answer: 25
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