he average score of a class of boys and girls in an camination is 1. The ratio of boys and girls in the class is : 1. If the average score of the boys is (A - 1), then the crage score of the girls is
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he average score of a class of boys and girls in an camination is 1. The ratio of boys and girls in the class is : 1. If the average score of the boys is (A - 1), then the crage score of the girls is
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