JIPMAT (LR) PYQs

Study the following pie-chart and answer the following questions: Percentage-wise participation of students in various activities Total number of students = 40. How many students did not participate in toy-making activity?

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

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. How many dark red balls are there in the box?

In 2006, if sales value of B increases by 10% and that of A decreases by 10%. What is the percentage change in sales, if sale of all other brands remain same?