The average of a non-zero number and its square is 11 times the number. The number is ?

Q: The average of a non-zero number and its square is 11 times the number. The number is ?

Let the number be 'x'. x + x 2 2 = 11x x 2 = 22x => x = 22.

22
21
11
17

Correct Answer: 22

Explanation:

Let the number be 'x'.

$\frac{x + x 2}{2}$ = 11x
$x 2$ = 22x
=> x = 22.

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