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

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1.	The number of students in three classes are in the ratio 2:3:5. If the number of students in each class is increased by 20 the ratio become 4: 5: 7. The total number of students before the increase was
A.	80
B.	90
C.	100
D.	120
Answer» D. 120

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