# Which of the following are not state functions ?

$\begin {array} {1 1} (I)\;q+w & \quad (II)\;q \\ (III)\;w & \quad (IV)\;H-TS \end {array}$

$\begin {array} {1 1} (1)\;(II)\: and \: (III) & \quad (2)\;(I)\: and \: (IV) \\ (3)\;(II),(III) \: and \: (IV) & \quad (4)\;(I),(II)\: and \: (III) \end {array}$

Can you answer this question?