Q: The students in three classes are in the ratio 2 : 3 : 5. If 20 stu – McqOptions

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1.	Q: The students in three classes are in the ratio 2 : 3 : 5. If 20 students are increased in each class, the ratio changes to 4 : 5 : 7 . originally the total number of students was:
A.	100
B.	150
C.	50
D.	90
Answer» B. 150

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