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Question 7

The average age of the three children in a family is 9 years. If the average age of their parent is 39 years, the average age of the whole family is:

  • A.20 years
  • B.21 years
  • C.24 years
  • D.27 years
Objective

Question details

Exam body
OAU
Subject
Mathematics
Year
2008/2009
Question no.
#7
Type
Objective
Previous · Q6Which of the following specified sets of data is not necessarilv sufficient for… Next · Q8 Simplify 1 + $2/3$ - 3 ÷ (1 + $2/3of6/7$)

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