In a class of 140 student, the ratio of the number of boys to that of – McqOptions

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1.	In a class of 140 student, the ratio of the number of boys to that of girls is 3 : 4. The ratio of number of students who passed in a test to those who failed is 3 : 2. Among the boys, the ratio of the number of those passed to those who failed is 1 : 2. What is the ratio of the number of girls who passed to those who failed?
A.	3 : 1
B.	3 : 2
C.	3 : 4
D.	4 : 1
Answer» E.

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