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The average age of a family of 4 members in the year 2005 was 20. A new member was born in the same family in 2005. Find the average age of the family on the 6th birthday of the youngest member.
  • a)
    25
  • b)
    22
  • c)
    26
  • d)
    25.5
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The average age of a family of 4 members in the year 2005 was 20. A ne...
The average age of a family of 4 members in the year 2005 was 20
Since the age of the youngest member in 2005 is 0, the total age of all 5 members of the family in the year 2005 = 4 x 20 + 0 = 80
Total age of the family after 6 years will be = total age now + 5 x 6 = 80 + 30 = 110
Average age of the family then = 110/ 5= 22
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Most Upvoted Answer
The average age of a family of 4 members in the year 2005 was 20. A ne...
The average age of a family of 4 members in the year 2005 was 20
Since the age of the youngest member in 2005 is 0, the total age of all 5 members of the family in the year 2005 = 4 x 20 + 0 = 80
Total age of the family after 6 years will be = total age now + 5 x 6 = 80 + 30 = 110
Average age of the family then = 110/ 5= 22
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The average age of a family of 4 members in the year 2005 was 20. A new member was born in the same family in 2005. Find the average age of the family on the 6th birthday of the youngest member.a)25b)22c)26d)25.5Correct answer is option 'B'. Can you explain this answer?
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The average age of a family of 4 members in the year 2005 was 20. A new member was born in the same family in 2005. Find the average age of the family on the 6th birthday of the youngest member.a)25b)22c)26d)25.5Correct answer is option 'B'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The average age of a family of 4 members in the year 2005 was 20. A new member was born in the same family in 2005. Find the average age of the family on the 6th birthday of the youngest member.a)25b)22c)26d)25.5Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The average age of a family of 4 members in the year 2005 was 20. A new member was born in the same family in 2005. Find the average age of the family on the 6th birthday of the youngest member.a)25b)22c)26d)25.5Correct answer is option 'B'. Can you explain this answer?.
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