unu un(vii) Given a = 8, an = 62, S, = 210, find 'n'and 'd'.

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 a = 8, a_(n) = 62, S_(n) = 210 , find n and d.

In an A. P. : given a = 8, a _(n) = 62, S _(n) = 210, find n and d.

In an AP :- given a = 8, a_n = 62. S_n =210, find n and d .

In an AP:(vii) given a=8, a_n=62,S_n=210 ,find n and d

In an AP: (vii) given a =8,a_(n)=62,S_(n)=210 find n and d

In an A.P: given a = 8 , a_(n)= 62, S_(n) = 210 ,find n and d .

In an AP: given a=8, a_n=62,S_n=210 find n and d

In an AP : Given a = 8 , a_(n)=62 , S_(n)=210 , find n and d .