Two masses $M_1$ and $M_2$ are attached to end of a string which passes over a pulley attached to the top of a double inclined plane. If $M_1$ and $M_2$ are $5 kg$ each. and the base angles are $30^{\circ}$ each. The tension in the string.

Question

$$(a)\;20\;N \quad (b)\; 25\;N \quad (c)\; 50\;N \quad (d)\;100\;N$$