JAMB Mathematics 2025 Objective — Question 5
Question 5 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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The nth term of a geometric progression is given by tn=3×2^(n-1). What is the sum of the first 5 terms of this progression?
- A. 93Correct
- B. 95
- C. 96
- D. 98
Explanation
Terms: 3,6,12,24,48. Sum = 3+6+12+24+48 = 93.
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