Question

7. The average age of boys in the class is twice the
number of girls in the class. The ratio of boys and
girls in the class of 50 is 4 : 1. The total of the ages
(in years) of the boys in the class is
(a) 2000 (b) 2500 (c) 800 (d) 400​

Answer 1

The answer is (c) : 800

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