In an A.P., the first term is 2, the last term is 29 and sum of the te – InterviewSolution

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1.	In an A.P., the first term is 2, the last term is 29 and sum of the terms is155. Find the common difference of the A.P.
Answer» Correct Answer - d=3 `S_(n) = (n)/(2)(a+l) rArr (n)/(2)(2+29) = 155 rArr n = 10` `T_(10) = 29 rArr 2+ 9d = 29 rArr d =3.`

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