The ratio of boys to girls in a school was 2 : 3. When 20 girls left the school, then the ratio of boys to girls becomes equal. In what ratio, 140 boys and girls should have joined the school before leaving the girls to make the number of girls 50% less than that of boys?

The ratio of boys to girls in a school was 2 : 3. When 20 girls left t

1.	The ratio of boys to girls in a school was 2 : 3. When 20 girls left the school, then the ratio of boys to girls becomes equal. In what ratio, 140 boys and girls should have joined the school before leaving the girls to make the number of girls 50% less than that of boys?
A.	4 : 3
B.	5 : 2
C.	9 : 5
D.	6 : 1
E.	None of these
Answer» E. None of these

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The ratio of boys to girls in a school was 2 : 3. When 20 girls left the school, then the ratio of boys to girls becomes equal. In what ratio, 140 boys and girls should have joined the school before leaving the girls to make the number of girls 50% less than that of boys?

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