Thirty seeds each of Dolichos, Pisum and Maize are kept for germination in the soil. How many cotyledons are found above the soil and below the soil respectively when all the seeds germinate?

Question

$\begin {array} {1 1} (1)\;60,60 & \quad (2)\;60,90 \\ (3)\;90,90 & \quad (4)\;30,60 \end {array}$