What will come in the place of the question mark(?) in the following questions?
$$\sqrt{1.5625}$$=?
Let, $$\sqrt{1.5625}=X$$
So, $$X^2 = 1.5625$$
Or, $$X^2 \times 10000 = 15625$$
Taking square root on all the entities, $$X \times 100 = 125$$
So, $$X = 1.25$$
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