The first term of an A.P. is `-3` and the `10th` term is 15 Find `S_(10).`

The first term of an A.P. is -2 and the 10^(th) term is 16. Determine the 15^(th) term.

The first term of an A.P. is 5 and its 100th term is - 292. Find the 50th term of this A.P.

The 6th term of an A.P. is 12 and the 8th term is 22, Find the 10th term.

The first term of an A.P. is -4 and 10th term is 14. Determine the 30th term.

The first term of an A.P. is 5 and 100th term is - 292. Find the 50th term of the A.P.

The 10th term of an A.P. is (-15) and the 31st term is (-57). Find the first term and common difference of the A.P.

The sum of first 15 terms of an A.P. is 750 and its first term is 15. Find its 20th term.

If the first term of an A.P. is – 18 and its 10th term is zero, then find its common difference.

The sum of the 5 ^(th) and the 7^(th) terms of an A.P. is 52 and then 10^(th) term is 46. Find the A.P..

The 6^(th) term of an A.P. is -10 and the 10^(th) term is -26 .Determine the 15^(th) term of the A.P.