the mean age of 6 children's is 20 years and the sum of the age of 5 children is 96 years find the age of sixth child (also show how u got the answer)
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The total age of 6 children is=6×20
=120
The sum of the age of 5 children is 96 years.
So, The age of the sixth=120 - 96
=24
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