Question

"How could you do the sums?" change this sentence into active voice.

Answer 1

$\huge{\underline{\underline{\bf{\red{Answer}}}}}$

${\bf{How\:could\:the\:sums\:be\:done\:by\:you?}}$

$\huge{\underline{\underline{\bf{\red{Thank\:you}}}}}$

Answer 2

$\huge\underline\mathcal\green{ANSWER}$

How could the sums be done by you?