Instructions

What will come in place of question mark (?) in the given questions ?

Question 53

$$\sqrt{?}+19=\sqrt{1225}$$

Solution
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Expression : $$\sqrt{?}+19=\sqrt{1225}$$

=> $$\sqrt{x} + 19 = 35$$

=> $$\sqrt{x} = 35 - 19 = 16$$

=> $$x = (16)^2 = 256$$

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