[" Iiv given "a,=15,S=125," find "d" and "a_(19)],[" (v) given "d=5,S_(9)=75," find "a" and "a_(1)]

given d=5,S_(9)=75, find a and a_(9)

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) . (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 and a_(10) . (v) given d=5, S_(9)=75 and a and a_(9) . (vi) given a=2, d=8, S_(n)=90 , find n and a_(n) . (vii) given a=8, a_(n)=62, S_(n)=210 . find n and d. (viii) given a_(n)=4, d=2, S_(n) = -14, find n and a. (ix) given a_(n)=3, n=8, S_(n)=192, find d. (x) Given l=28, s=144 and there are total 9 terms find a.

In an AP:(v) given d=5, S_9=75 ,find a and a_9 .

given: a_3=15 , S_[10]=125 , find d and a_[10]

given a=2,d=8,S_(n)=90, find n and a_(n)

In an A.P: (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 d= 5, S_(9) = 75 , find 'a' and a_(9) . (vi) Given a=2, d=8, S_(n) = 90 , find 'n' and a_(n) . (vii) Given a=8, I=a_(n) = 62,S_(n) = 210 , find 'n' and 'd'. (viii) Given a_(n) = 4=I, d=2, S_(n) = -14 , find 'n' and 'a'. (ix) Given a=3, n=8, S_(n)= 192 , find 'd'. (x) Given I= 28, S_(n) = 144 , and there are a total 9 terms find 'a' .

In an AP : given d = 5, S_(9) = 75 , find a and a_(9) .

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.