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Post-UTME Mathematics 2013 Objective — Question 38

Question 38 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.

The mean and the range of the set of numbers 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10 are m and r respectively. Find m+r.

A. 1.11
B. 1.65Correct
C. 1.85
D. 2.25

Explanation

Mean = 8.40/8 = 1.05. Range = 1.40-0.80 = 0.60. m+r = 1.65.

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