The 10th term of an AP is 32. If the first term is 3/2, what
MATHEMATICS
JAMB 2022
The 10th term of an AP is 32. If the first term is 3/2, what is the 4th term?
- A. 35/3
- B. 64
- C. 16
- D. 35/2
Correct Answer: A. 35/3
Explanation
Tn = a + (n-1)d
10th term = 32
32 = 3/2 + 9d
9d = 32 - 3/2
9d = 61/2
d = 61/18
: T4 = 3/2 + 3(61/18)
T4 = 3/2 + 61/6 → 35/3
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