three years ago the average age of a family of 5 members is
17 years. a baby having been born the average age of the
family is the same today. the present age of the baby is?
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Answer / anee pritam
3 years ago, average age = 17
After 3 years, avg age= 17+3= 20
Excluding the baby:
Total members = 5
Total age = 5 × 20= 100(present age)
Including the baby:
Total age = 6×17= 102
Present age of baby: 102-100 = 2 yrs
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / dukkaram
3 years ago = 17
today = 17 + 3 = 20
the avg=20/5 =4
so the baby age is =4
| Is This Answer Correct ? | 2 Yes | 32 No |
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