If nth terms of two A.P.’s are 3n + 8 and 7n + 15, then the ratio of their…
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If nth terms of two A.P.’s are 3n + 8 and 7n + 15, then the ratio of their 12th terms will be
- A.
4 : 9
- B.
7 : 16
- C.
3 : 7
- D.
8 : 15
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Correct answer: A
