Question

Average age of 20 boys and 40 girls is 12 if the number of boys decreased by half and the number of girls is increased by half the average remains same then the total number of ages of one boy and one girl is

Answer 1

Answer:

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Step-by-step explanation:

Average age of 20 boys and 40 girls is 12 if the number of boys decreased by half and the number of girls is increased by half the average remains same then the total number of ages of one boy and one girl is