In an A.P the 10th term is 31 and 15th term is 46. Find the series?
Options:
| A. | 4, 7, 10 |
| B. | 4, 6, 8 |
| C. | 5, 8, 11 |
| D. | 7, 11, 13 |
| E. | None of these |
Answer: Option A
- The 10th term is 31
31 = a + (10 - 1) d
46 = a + (15 - 1) d
Solving these equations a=4 and d=3
Series 4, 7, 10
- The 10th term is 31
31 = a + (10 - 1) d
46 = a + (15 - 1) d
Solving these equations a=4 and d=3
Series 4, 7, 10
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