1.

The average score of boys in class X in an exam is 71 and that of the girls in that class is 73. If the average score of class X in that exam is 71.8 find the ratio of number of boys to number of girls in that class. (A) 1 : 2 (B) 2 : 1 (C) 2 : 3 (D) 3 : 2

Answer»

Correct option is (D) 3 : 2



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