What will come in place of the question mark (?) in the following questions ?
$$((441)^{\frac{1}{2}}\times207\times(343)^{\frac{1}{3}})\div((14)^{2}\times(529)^{\frac{1}{2}})=?$$
The given expression can be written as $$\frac{21*207*7}{196*23}$$
= $$\frac{21*9}{28}$$
= $$6\frac{3}{4}$$
Hence, option D is the right answer.
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