The sum of the third and the seventh terms of an AP is 6 and their product is 8. Find the sum of first sixteen term of the AP.

The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of the AP.

The sum of the three consecutive terms that are in A.P. is 27 and their product is 288. Find the three terms.

If the sum of first 7 terms of an AP is 49 and that of 17 terms is 289, find the sum of first n terms.

Given the sum of two consecutive terms in an A.P is 21 and their product is 90. Find the common difference.

The pth term of an A.P. is a and qth term is bdot Then find the sum of its (p+q) terms.

The first term of an A.P is 6 and the common difference is 5. Find the A.P and its general term.

If the sum of the first 14 terms of an AP is 1050 and its first term is 10, find the 20th term.

The 104th term and 4th term of an A.P. are 125 and 0. Find the sum of first 35 terms.