A field is surveyed and found to have 240 wild flower in a variety of colors : red, yellow, violet and white. There are 60 yellow flowers. One third of the flower rest of the flowers are white, $40\%$ are red and the rest is violet. A flower is picked at random. What is the chance that it is a violet flower.

Question

$\begin{array}{1 1} (a)\; \frac{1}{3} \\ (b)\; \frac{2}{5} \\ (c)\; \frac{1}{4} \\ (d)\; \frac{1}{60} \end{array}$