Question 20
Back to Exercise
Find √5329 + √4489.
- A 130
- B 140 Correct
- C 150
- D 138
Correct Answer: Option B
√5329 = 73 (unit digit 9 → 3 or 7; 70² = 4,900 < 5,329 < 75² → 73)
√4489 = 67 (65² = 4,225 < 4,489 → 67)
73 + 67 = 140
Answer: 140
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