pyq/2013/csat/31
There are some balls of red, green, and yellow color lying on a table.
1. There are as many red balls as there are yellow balls.
2. There are twice as many yellow balls as there are green ones.
The number of red balls:
(A) is equal to the sum of yellow and green balls.
(B) is double the number of green balls.
(C) is equal to yellow balls minus green balls.
(D) cannot be ascertained.