Arithmetic Aptitudes › Numbers › Question #4459
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QWhat is the number if the sum of the number and its square is 272?

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#4459Q ID
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  • A 16 ✔ ✖
  • B 13 ✔ ✖
  • C 14 ✔ ✖
  • D 19 ✔ ✖
Correct Answer

Explanation

 Let the integer x be such that x + x^2 = 272.

 This can be rewritten as x^2 + x - 272 = 0, which factors to (x + 17)(x - 16) = 0. 

Therefore, x = 16

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