In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should
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We can drive the situation into many ways
Method –(1) = 1 boy and 3 girls
Method –(2) = 2 boys and 2 girls
Method –(3) = 3 boys and 1 girl
Method –(4) = 4 boys and 0 girls
Only four methods can be valid .
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Method –(1) = 1 boy and 3 girls
Method –(2) = 2 boys and 2 girls
Method –(3) = 3 boys and 1 girl
Method –(4) = 4 boys and 0 girls
Only four methods can be valid .
FOLLOW ME
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