Question

the mean age of five students is 16 years .if the ages of four of them be 17 years ,18 years,12 years and 19 years. find the age of fifth student.

step by step explanation......


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Answer 1

Answer:

14years

Step-by-step explanation:

mean age of five students=16years

sum of ages of five students=16*5years=80years

total ages of four students=(17+18+12+19)years

=66years

age of the fifth student=80years-66years=14years