Solution
Let a = $$0.\overline{12}$$ ........(1)
$$\Rightarrow$$ 100a = $$12.\overline{12}$$ ........(2)
Solving equation(2) - equation(1)
99a = 12
$$\Rightarrow$$ a = $$\frac{12}{99}$$
$$\Rightarrow$$ a = $$\frac{4}{33}$$
$$\Rightarrow$$ $$0.\overline{12}$$ = $$\frac{4}{33}$$
Hence, the correct answer is Option D
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