G. then find 9th down Sam IV Amunimum na Jesumw A hould be

The sum of 5th and 9th term of an A.P. is 72 and the sum of 7th and 12th terms is 97 . Find that

If the sum of first 8 terms of an Arithmetic progression is 136 and that of first 15 terms is 465, then find the sum of first 25 terms. OR Ths sum of the 5th and 9th terms of an A.P. is 40 and the sum of the 8th and 14th term is 64. Find the sum of the first 20 terms.

The sum of 5th and 9th terms ofan AP is 72 and the sum of 7th and 12th terms is 97. Find the AP.

If the 2nd, 5th and 9th term of A.P. are in G.P, then the common ratio of this GP is

An A.P has its 4th term as -15 and 9th term as -30 . Find the sum of first 10 numbers.

In a G.P. the 9th term is 32805 and 6th term is 1215. Find the 12th term.

The sum of the first and the third term of G.P. is 15 and that of the 5th and the 7th terms is 240. Find the 9th term :

If in an A.P. 7th term is 9 and 9th term is 7, then find 16th term.