Find the A.P. whose 7th and 13th terms are respectively 34 and 64

Find the A. P. whose 7^(th) and 13^(th) terms are respectively 34 and 64 .

Find the nth term of an A.P. whose 6th and 8th terms are 12 and 22 respectively :

Obtain the sum of the first 56 terms of an A.P. whose 19th and 38th terms are 52 and 148 respectively.

Find the 10 th term of the sequence whose 7 th and 12 th terms are 34 and 64 respectively.

Find the A.P whose 10th term is 5 and 18th term is 77

Let a, b and c be the 7th, 11th and 13th terms, respectively, of a non-constant A.P.. If these are also the three consecutive terms of a G.P., then (a)/(c ) is equal to

(a) The 3rd and 19th terms of an A.P. are 13 and 77 respectively. Find the A.P. (b) The 5th and 8th terms of an A.P. are 56 and 95 respectively. Find the 25th term of this A.P. (c) The pth and qth terms of an A.P. are q and p respectively. Prove that its (p + q)th term will be zero.

Let a, b and c be the 7th, 11th and 13th terms respectively of a non-constant AP. If these are also the three consecutive terms of a GP, then (a)/(c) is equal to

Find the sum of first 17 terms of an AP whose 4th and 9th terms are -15 and -30 , respectively.