In an A.P., 10th term is 23 and 32nd term is 67. Find the first term and the common difference.

The sum of first ten terms of an A.P. is 120. The sum of next ten terms is 320. Find the first term and common difference.

The 4rth term and 15th term of an A.P is 22 and 66 respectively. Find the first term and the common difference.

The first term of an AP is 5,the last term is 45 and the sum is 400.Find the number of terms and the common difference.

The 8th and 102nd term of an AP are respectively 23 and 305.Find the first term and common difference of the AP.

In a G.P., the (p + q)th term is m and (p-q)th term is n. Find its pth term.

the 7th term and 14 term of an A.P are - 9 and - 23 respectively. Determine the first term and common difference. which term of the A.P is -25

For the A.P. 3/2 , 1/2 , -1/2 , -3/2 write the first term and common difference.

The following are the nth terms of certain sequences. Determine whether they are A.P. or not. If it is so, find the first terms and common differences. T_n=4n-10

The first term of an A.P. is 5 and the 11th term ,is 125 then determine the common difference.

The seventh term of an A.P. is 20 and the sum of first twenty terms is 610. Find the tenth term and the sum of first fifteen terms.