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The ages of Four members of a family are in the year 2010 are ‘X’,’X+12’,’X+24’ and ‘X+36’. After some years Oldest among them was dead then average reduced by 3. After how many years from his death, the average age will same as in 2010?
  • a)
    2 Years
  • b)
    3 Years
  • c)
    4 years
  • d)
    6 Years
  • e)
    Cannot be determined
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The ages of Four members of a family are in the year 2010 are ‘X...
In 2010: 4x+72/4 = x+18
After death : 3x+36+3N/3 = x+18-3
N = 3 years
3x+36+3N/3 = (x+18)
N = 6 years
6-3 = 3 years from his death
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Most Upvoted Answer
The ages of Four members of a family are in the year 2010 are ‘X...
Father: 45 years old
Mother: 40 years old
Son: 15 years old
Daughter: 10 years old
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The ages of Four members of a family are in the year 2010 are ‘X’,’X+12’,’X+24’ and ‘X+36’. After some years Oldest among them was dead then average reduced by 3. After how many years from his death, the average age will same as in 2010?a)2 Yearsb)3 Yearsc)4 yearsd)6 Yearse)Cannot be determinedCorrect answer is option 'B'. Can you explain this answer?
Question Description
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