What will come in place of question mark (?) in the given questions?
$$\frac{\sqrt{\frac{81}{25}} - \sqrt{\frac{144}{121}}}{\sqrt{\frac{1681}{484}}}$$ = $$\frac{{\frac{9}{5}} - \frac{12}{11}}{\frac{41}{22}}$$
= (39/55)/(41/22)
= (39*22)/(55*41)
= 78/205
Option C is the correct answer.
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