Shubhangi Kansal posted an Question
January 22, 2020 • 23:05 pm 15 points
  • CSIR NET
  • Life Sciences

The average age of Priyambada's family consisting of 5 members 3 years ago was 35 years. One year ago a new baby was born in this family. Three years hence the

The average age of Priyambada's family consisting of 5 members 3 years ago was 35 years. One year ago a new baby was born in this family. Three years hence the average age of the family will be : (A) (C) emp 5 34years (B) 36 years 4 35- years None of these (D)

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  • Krishna best-answer

    Ans : B) 34 5/6 The average age of the family, 3 years ago=35 hence, X/5 = 35 x= 35×5 = 175 Average age of the family, at present = X+15+1/6 = 175+15+1/6 = 191/6 Average age of the family after 3 years = X+30+4/6 = 209/6= 34 5/6

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