the mean age of 5 children of a family is 12 years if 4 of them are respectively 6 11 13 and 16 years find the age of The Fifth Child
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mean= sum of all values /total no. of values
let the age of fifth child be x
12=6+11+13+16+x / 5
12=46+x/5
12×5=46+x
60=46+x
60-46=x
14=x
hence the age of fifth child is 14 years
let the age of fifth child be x
12=6+11+13+16+x / 5
12=46+x/5
12×5=46+x
60=46+x
60-46=x
14=x
hence the age of fifth child is 14 years
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