Question 7

If y% of y is 289, then what is the value of y?

Solution

Given : $$y\%$$ of $$y=289$$

=> $$\frac{y}{100}\times y=289$$

=> $$y^2=289\times100$$

=> $$y=\sqrt{289\times100}$$

=> $$y=17\times10=170$$

=> Ans - (C)

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