Question
Three years ago, the average age of a family of 5 members was 17. A baby having been born the average age of the family is the same today? What is the age of the child?
Answer: Option B
- Present age of 5 members =5 x 17 + 3 x 5 = 100 years
Also, present ages of 5 members + Age of the baby= 6 x 17 = 102 years
Age of the baby = 102 – 100 = 2 years.
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- Present age of 5 members =5 x 17 + 3 x 5 = 100 years
Also, present ages of 5 members + Age of the baby= 6 x 17 = 102 years
Age of the baby = 102 – 100 = 2 years.
Was this answer helpful ?
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