A) 20
B) 19
C) 18
D) 21
Correct Answer: D
Solution :
\[\begin{align} & \underline{\begin{matrix} \,\,\,T & O \\ \,\,4 & 3 \\ -2 & 1 \\ \end{matrix}} \\ & \,\underline{2\,\,\,\,\,\,\,\,\,\,2}\,\,\, \\ \end{align}\]
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