If the first two terms of as H.P. are 2/5 and 12/13, respectively. Then find the largest term.

If the first two terms of a H.P. are 2//5and12//23 respectively. Then, largest term is

If the two terms of a H.P. are 2//5and12//23 respectively, then the largest term is

If the second term and the fourth terms of an A.P. are 12 and 20 respectively, then find the sum of first 25 terms:

If the 4th and the 7th terms of an H.P. are 1/2 and 2/7 respectively . Find the first term.

4.If the first and last terms of an A.P.are 1 and 11 respectively and the sum of its terms is 30. find the number of terms in the A.P.

If the 11^(th) and 21^(st) terms of an H.P are 1/16 and 1/29 respectively find the 31^(st) term of the H.P.

If the 3rd and 7th terms of an A.P. are 17 and 27 respectively . Find the first term of the A.P.:

If the 5th and 12th terms of an A.P. are 14 and 35 respectively, find the first term and the common difference.

If 6^(th) term and 8^(th) term of an A.P. are 12 and 22 respectively, then find its 2^(nd) term.

If the second and seventh terms of an A.P. are 2 and 22 respectively. Find the sum of first 35 terms: