JAMB Mathematics 2015 Objective — Question 30
Question 30 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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The third term of a G.P is 4 while the sixth term is 32. Find its common ratio.
- A. 1/2
- B. 8
- C. 4
- D. 2Correct
Explanation
ar²=4, ar⁵=32. Dividing gives r³=8, r=2.
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