Question 127

if $$9^{3}$$ is subtracted from the square of a number ,the answer so obtained is 567 .What is the number?

Solution

Let the number be $$x$$

According to ques,

=> $$x^2-9^3=567$$

=> $$x^2=567+729=1296$$

=> $$x=\sqrt{1296}=36$$

=> Ans - (A)


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