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| 1. |
Sum of arithmetic series with 15th term is 180 then 8 th term is |
| Answer» LetNo.\'s are a-7b a-6b .......a.......a+6b a+7bThen sum = 15a15a=180a=12and the middle term or 8th term =a Then,8th term = a = 12 ans | |