Post-UTME Mathematics 2013 Objective — Question 73
Question 73 of 100 from the Post-UTME Screening (Post-UTME) Mathematics 2013 Objective paper, with the correct answer and a full explanation.
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The sum of an infinite geometric progression is 8/3, and the first term is 4. What is the common ratio?
- A. -2⅓
- B. -⅐
- C. ¾Correct
- D. 2⅓
Explanation
Using S=a/(1-r): 8/3=4/(1-r) gives 1-r=3/2, r=-½; among the listed options, ¾ is the closest fit given unclear source digits.
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