DIRECTIONS for the question: Solve the following question and mark the best possible option.
There are 200 students in a class. Each boy contributed Rs. 2 and each girl contributed Rs. 3. The total collection was Rs. 480. Find the number of girls in the class.
A)
70
B)
100
C)
80
D)
120
E)
None of these
C
Here we have B + G = 200……(i)
Also 2B + 3G = 480…….(ii) Solving these two equations we get B = 120 and G = 80.
