JIPMAT 2022 (LR) PYQs

$\begin{array}{|c|c|} \hline \textbf{Color} & \textbf{Light : Dark} \\ \hline \text{Red} & 3 : 4 \\ \text{Blue} & 5 : 3 \\ \text{Green} & 1 : 3 \\ \text{Pink} & 1 : 7 \\ \text{Yellow} & 9 : 5 \\ \text{Orange} & 7 : 9 \\ \hline \end{array}$

In a box, there are several balls. The pie-chart shows the percentage-wise distribution of 5 different colours of balls; and total number of balls = 1000. Also, the ratio of the light and dark shades of the six colours of balls is given. What is the difference between number of light red balls and number of dark yellow balls?