If Zena were younger by5year than what she really is then the square of her age in year would have been 11 more than five times her actual age. What is her age now.
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Answer: 12 years
Explanation: first assume her current age as 12 years then subtract 5 to it and whole square it to add 11 more to it which would be equal to 5×her current age i.e.x.
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