" ms of an A.P.is "63" and the sum of its next? term "

The sum of the first 7 terms of an AP is 63 and the sum of its next 7 terms is 161. Find the 28 th term of this AP.

The sum of the first 7 terms of an AP is 63 and the sum of its next 7 terms is 161. Find the 28th term of this AP.

The sum of the first 7 terms of an AP is 63 and the sum of its next 7 terms is 161. Find the 28th term of this AP.

If the first term of an A.P. is 3 and the sum of its first 25 terms is equal to the sum of its next 15 terms, then the common difference of this A.P. is:

The sum of first 7 terms of an AP is 63 and the sum of next 7 terms is 161. Find a_(28) .

If the 10 th term of an A.P.is 21 and the sum of its first ten terms is 120, find its nth term.

If the first term of an A.P.is 2 and the sum of first five terms is equal to one fourth of the sum of the next five terms,find the sum of first 30 terms.

The sum of first p- terms terms of an A.P.is q and the sum of first q terms is p,find the sum of first (p+q)

The sum of 4 th and 8 th terms of an A.P.is 24 and the sum of 6 th and 10 th terms is 44. Find the A.P.