Question 81
The reverse of a two-digit number with both digits nonzero is obtained by exchanging its digits. For example, the reverse of $25$ is $52$, and the reverse of $79$ is $97$. Which of the following is not the sum of a two-digit number and its reverse?
A) $44$; B) $99$; C) $121$; D) $165$; E) $181$.
A) $44$; B) $99$; C) $121$; D) $165$; E) $181$.