Question

Number of girls in class ‘P’ is 60% of number of boys in that class. Class ‘Q’ has 20% fewer boys than in class ‘P’ and 40% more total students than class ‘P’. Find the ratio of number of girls in class ‘P’ to that in class ‘Q’.

A 7:13
B 5:12
C 9:5
D 3:5
E None of these
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