Select the related number from the given alternatives.
0.04 : 0.2 :: 0.09 : ?
Expression =Â 0.04 : 0.2 :: 0.09 : ?
The pattern followed is = $$n:\sqrt{n}$$
Eg = $$0.04:\sqrt{0.04}=0.04:0.2$$
Similarly, $$\sqrt{0.09}=0.3$$
=> Ans - (A)
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