in the wave numbers of the first ( lowest ) two lines of a series of hydrogen atomic spectrum is $5331.7\: cm^{-1}$, they belong to the $(R_H = 109680\: cm^{-1}$)

Question

$\begin {array} {1 1} (1)\;Pfund\: series & \quad (2)\;Paschen\: series \\ (3)\;Balmer\: series & \quad (4)\;Lyman\: series \end {array}$