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The average of a non-zero number and its square is 5times the number. The number is-

The average of a non-zero number and its square is 5times the number. The number is- Correct Answer 29

Let, the number is x So, (x + x2) /2 = 5x x + x2 = 10x x2 - 10x + x = 0 x2 = 9x x = 9

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