Determine the 25th term of an AP., whose 9th term is -6 and common difference is `5/4`.

Find the nth term of AP whose first term is 12 and common difference is 7.

Find the 12th term of AP if first term is 5 and common difference is 7.

The sum of n terms of an A.P. whose first term is 5 and common difference is 36 is equal to the sum of 2n terms of another A.P. whose first term is 36 and common difference is 5. Find n.

Find the 12th term of a G.P. whose 8th term is 192 and the common ratio is 2.

Determine the 2nd term of an A.P. whose 6^(th) term is 12 and 8^(th) term is 22.

Find the 10th term of a G.P. whose 8th term is 192 and the common ratio is 2.

Determine 2nd term and rth term of an A.P. whose 6th term is 12 and 8th term is 22 .

Find the 51st term of an AP whose 11th term is 38 and the 16th term is 73.