MCQOPTIONS
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| 1. |
The sum of first n terms of an arithmetic series is 216. The value of the first term is n and the value of the nth term is 2n. The common difference d is: |
| A. | 1 |
| B. | \(\dfrac23\) |
| C. | \(\dfrac32\) |
| D. | \(\dfrac{12}{11}\) |
| Answer» E. | |