A) 18
B) 26
C) 10
D) 37
Correct Answer: A
Solution :
\[\begin{matrix} 2 \\ \downarrow \\ {{1}^{2}}+1 \\ \end{matrix}\,\,\,\,\,\,\,\begin{matrix} 5 \\ \downarrow \\ {{2}^{2}}+1 \\ \end{matrix}\begin{matrix} \,\,10\,\, \\ \downarrow \\ \,\,\,\,\,{{3}^{3}}+1 \\ \end{matrix}\begin{matrix} 17 \\ \downarrow \\ \,\,\,\,{{4}^{2}}+1\,\,\,\,\, \\ \end{matrix}\,\,\begin{matrix} 26 \\ \downarrow \\ {{5}^{2}}+1 \\ \end{matrix}\,\,\,\,\,\,\begin{matrix} 37 \\ \downarrow \\ {{6}^{2}}+1 \\ \end{matrix}\,\,\,\,\,\,\begin{matrix} 50 \\ \downarrow \\ {{7}^{2}}+1 \\ \end{matrix}\]
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