Find `n^(th)` term of an A.P. `1,11,21,31,41`

Find the 20^(th) term and n^(th) term of the A.P. 21,16,11,….

Find t_(n) for the following A.P. and then find 45^(th) term of the A.P. 6,(11)/(2),5,…..

Find the 31^(th) term of an A.P. whose 11^(th) term is 38 and the 16^(th) term is 73.

Find the 15th term of the A.P. 21, 16,11,6……….

Find the 15th term of the A.P. 21, 16,11,6……….

If the n^(th) terms of an A.P. 9, 7, 5,….. is equal to the n^(th) term of an A.P. 15, 12, 9……then find n

Find the 31^(st) term of an A.P. whose 11^(th) term is 38 and the 16^(th) term is 73.

Suppose that the 6^(th) and 17^(th) terms of an A.P. are 19 and 41 respectively Find the first term and the common difference of the A.P.

If the 5^(th) and 11^(th) terms of an A.P. are 16 and 34 respectively. Find the A.P.

If the n^(th) term of the A.P.9,7,5,... is same as the n^(th) term of the A.P.15,12,12,... find n.