Question 46
Back to Exercise
√14641 = ?
- A 111
- B 131
- C 121 Correct
- D 119
Correct Answer: Option C
Unit digit 1 → root ends in 1 or 9
Drop the last two digits: 146 → 12² = 144 ≤ 146 → tens part 12
Compare with 125² = 15,625: 14,641 is smaller → 121
Answer: 121
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