If one number is selected at random from set $X$ and another number
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05 Mar 2025, 00:57
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\($$
\begin{gathered}
X=\{1,2,3,4,5\} \\
Y=\{11,12,13,14,15\}
\end{gathered}
$$
\)
If one number is selected at random from set $X$ and another number is selected from set $Y$, how many different sums will be obtained?
(A) 5
(B) 9
(C) 18
(D) 20
(E) 25
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