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Question

The number which exceeds its positive square root by 12 is



Your Answer
A

9

Correct Answer
B

16

Your Answer
C

25

Your Answer
D

12


Solution

The correct option is B

16


Let the required number is x

So, xx+12 ⇒ x - 12 = x

⇒ x225x+144=0

⇒ x216x9x+144=0 ⇒ x =16

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