Q: Suppose the nth term of a series is 1 + n/2 + n²/2. If there are 20 terms in the series, then the sum of the series is equal to
(a)1360
(b)1450
(c)1500
(d)1560
Correct Answer: (d)
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Q: Suppose the nth term of a series is 1 + n/2 + n²/2. If there are 20 terms in the series, then the sum of the series is equal to
Correct Answer: (d)