What should come in place of question mark (?) in the following question ?
$$[(144)^{2}\div48\times18]\div36=\sqrt{?}$$
Lets assume the unknown number to be x.
Now, we will solve in a stepwise manner going by BODMAS rule.
144^2=20736,
20736/48=432
432*18=7776
7776/36=216
Now x=216^2 = 46656 which is option D.
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