The ratio of the numbers of students of three classes is 2:3:5. When 4 – McqOptions

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1.	The ratio of the numbers of students of three classes is 2:3:5. When 40 students are added to each class, the ratio becomes 4:5:7. What was the total number of students initially?
A.	100
B.	200
C.	400
D.	180
Answer» C. 400

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