[" Q13Sum of Fidst h terms of ah A.P "],[" is "3 pi^(2)+5h" then which of its "],[" term is "164" ."]

If the sum of n terms of an A.P., is 3n^2+5n then which of its terms is 164? a. 26 t h b. 27 t h c. 28 t h d. none of these

If the sum of n terms of an A.P., is 3n^2+5n then which of its terms is 164? a. 26 t h b. 27 t h c. 28 t h d. none of these

The sum of 3^(rd) and 11^(th) terms of an A.P. is 34. Find the sum of its 13 terms.

The sum of first n terms of an A.P. is 5n-n^2 . Find the n t h term of this A.P.

The sum of the first n terms of an A.P. is 3n^2+6n . Find the n t h term of this A.P.

The sum of the first n terms of an A.P. is 4n^2+2n . Find the n t h term of this A.P.

The sum of first p terms of an A.P. is (p^(2))/(n) and the sum of its first q(!= p) terms is (q^(2))/(n) . Show that the sum of its first n terms will be n.

The sum of first n terms of an A.P. is 3n^2+4n . Find the 25 t h term of this A.P.

The sum of first n terms of an A.P. is 3n^2+4n . Find the 25 t h term of this A.P.

The sum of first 9 terms of an A.P. is 162. The ratio of its 6th term to its 13th term is 1:2 . Find the first and 15 t h term of the A.P.