In an AP:
(ii) Given `a = 7, a_(13) = 35`, find d and `S_(13)`.

In an AP: (i) Given a=5, d=3, a_(n) = 50 , find n and S_(n) (ii) given a=7, a_(13) = 35 , find d and S_(13) . (iii) given a_(12) = 37, d=3 , find a and S_(12) (iv) given a_(3) = 15, S_(10) = 125 , find d and a_(10) (v) given a=2, d= 8, S_(n) = 90 , find n and a_(n) (vi) given a_(n) = 4, d=2, S_(n) = - 14 , find n and a. (vii) given l=28, S= 144, and there are total 9 terms, find a.

In an AP: (iii) Given a_(12) = 37, d = 3 , find a and S_(12) .

In an AP: (iv) Given a_(3) = 15, S_(10) = 125 , find d and a_(10) .

In an AP: (i) Given a = 5, d = 3, a_(n) = 50 , find n and S_(n) .

In an AP: (v) Given a = 2, d = 8, S_(n) = 90 , find n and a_(n) .

In an AP: (vi) Given a_(n) = 4, d = 2, S_(n) = -14 , find n and a.

Find the respective terms for the following lowing Aps. (ii) a_(2) = 13, a_(4) = 26 , find a_(1), a_(3) .

Find (-20) - (13)

Find the respective terms for the following lowing Aps. (i) a_(1) = 2, a_(3) = 26 , find a_(2) .

Find the respective terms for the following lowing Aps. (iii) a_(1) = 5, a_(4) = 9(1)/(2) , find a_(2), a_(3) .