A male branch of Funaria has ten antheridia and produced a sum total of 1400 spermatozoids. What is the number of androcyte mother cells in each antheridium assuming each of the antheridia has the same number of androcytes?

Question

$\begin {array} {1 1} (1)\;70 & \quad (2)\;340 \\ (3)\;960 & \quad (4)\;16 \end {array}$