RPF 16 Jan 2019

Question 104

Find the value of X:
$$\sqrt{(700 - x)} = \sqrt{(689 - \sqrt{169})}$$

Solution

Expression : $$\sqrt{(700 - x)} = \sqrt{(689 - \sqrt{169})}$$

=> $$(700-x)=689-13=676$$

=> $$x=700-676=24$$

=> Ans - (D)

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