3 years ago = 80 yearsFormula Used Average = sum of observation/No. of observationCalculation ⇒ Present age of 5 member = 80 + 3 × 5 = 95 years ⇒ Average age of 5 member 3 years ago = 80/5 = 16 years ⇒ ACCORDING to Question ⇒ the average age of 6 member at present is same as average age of 5 member 3 years ago ⇒ so sum of 6 member (INCLUDING baby) at present = 16 × 6 = 96 years ⇒ age of baby = 96 - 95 = 1year ∴ the age of baby is 1 YEAR

"> 3 years ago = 80 yearsFormula Used Average = sum of observation/No. of observationCalculation ⇒ Present age of 5 member = 80 + 3 × 5 = 95 years ⇒ Average age of 5 member 3 years ago = 80/5 = 16 years ⇒ ACCORDING to Question ⇒ the average age of 6 member at present is same as average age of 5 member 3 years ago ⇒ so sum of 6 member (INCLUDING baby) at present = 16 × 6 = 96 years ⇒ age of baby = 96 - 95 = 1year ∴ the age of baby is 1 YEAR

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The sum of the ages of 5 members comprising a family, 3 years ago was 80 years. The average age of the family today is the same at it was 3 years ago, because of an addition of a baby during the intervening period. How old is the baby?

Current Affairs General Awareness in Current Affairs . 6 months ago

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Given The sum of ages of 5 member 3 years ago = 80 yearsFormula Used Average = sum of observation/No. of observationCalculation ⇒ Present age of 5 member = 80 + 3 × 5 = 95 years ⇒ Average age of 5 member 3 years ago = 80/5 = 16 years ⇒ ACCORDING to Question ⇒ the average age of 6 member at present is same as average age of 5 member 3 years ago ⇒ so sum of 6 member (INCLUDING baby) at present = 16 × 6 = 96 years ⇒ age of baby = 96 - 95 = 1year ∴ the age of baby is 1 YEAR

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Posted on 04 Nov 2024, this text provides information on Current Affairs related to General Awareness in Current Affairs. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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