1.

If the average age of four siblings is 14 years and the average age of these children and their father is 20 years, what is the age of the father?1). 44 years2). 48 years3). 52 years4). 54 years

Answer»

LET the age of father be x YEARS and total age of 4 children is y.

We know that, AVERAGE age = sum of ages of all persons/ number of persons

∴ 14 = y/4

⇒ y = 56 years

Now as given in the question, (x + y)/5 = 20

⇒ (x + 56)/5 = 20

⇒ x = 100 – 56

⇒ x = 44 years


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