The ratio of the number of students in the three classes is 2 : 3 : 5. – McqOptions

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1.	The ratio of the number of students in the three classes is 2 : 3 : 5. When 20 students are increased in each class, this ratio becomes 4:5:7. Initially the total number of students was-
A.	50
B.	100
C.	150
D.	90
Answer» C. 150

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