If the first two terms of a 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 10^(th) term and the 18^(th) term of an A.P. are 25 and 41 respectively, then find the 38^(th) term.

If 4^(th) term and sixth term of an HP are 1/9 and 1/13 respectively, find the 10^(th) term of the sequence.

If the second and fifth terms of a G.P. are 24 and 3 respectively, then the sum of first six terms is

If the first and the n^("th") term of a G.P. are a and b, respectively, and if P is the product of n terms, prove that P^2 = (ab)^n .

The 11^(th) term and the 21^(th) term of an A.P. are 16 and 29 respectively, then find the 41^(th) term of that A.P.

The sum of some terms of G.P. is 315 whose first term and the common ratio are 5 and 2, respectively. Find the last term and the number of terms.

The first term of an A.P. whose 8th and 12th term are 39, 59 respectively.

The fourth, seventh, and the last term of a G.P. are 10, 80, and 2560, respectively. Find the first term and the number of terms in G.P.