- (A) Lungs
- (B) Digestive system
- (C) Eyes
- (D) Kidneys
Random MCQs of All Subjects.
Correct option is (D) 47. The square root of a number “n” is a value “x” such that (= n). For 2209, the square root is 47 because (47 × 47 = = 2209), this means 47 is the number that, when multiplied by itself, or taken square, gives 2209.
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