Post-UTME Mathematics 2012 Objective — Question 7
Question 7 of 11 from the Post-UTME Screening (Post-UTME) Mathematics 2012 Objective paper, with the correct answer and a full explanation.
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4.5 and 5 are respectively the averages of two sets of numbers 3,4,x,x and 2x,y,4. Calculate the values of (x,y)
- A. (9,2)
- B. (2,9)Correct
- C. (5,4)
- D. (4,6)
Explanation
Setting up the average equations for each set and solving simultaneously gives x=2, y=9.
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