1.

The average score for boys and girls in Hindi are 63 and 67 respectively. The combined average is 64.5. The ratio of the number of girls (n1) and number of boys (n2); i.e. (n1/n2) is :

A. 3/5
B. 2/5
C. 3/4
D. 4/5
Answer» B. 2/5


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