Q2
The number of students in 3 classes is in the ratio 2 : 3 : 4. If 12 students are increased in each class this ratio changes to 8 : 11 : 14. The total number of students in the three classes in the beginning was
A.
162
AnswerB.
108
C.
96
D.
54
Answer: Option A
Solution
Answer: Option A
Solution:
Let the number of students in the classes be 2x, 3x and 4x respectively;Total students = 2x + 3x + 4x = 9x