Find the first term of a HP whpse secpmd ter, os `(5)/(4)` and the third term is `(1)/(2)`.

Find the first term of a HP whose second term is (5)/(4) and the third term is (1)/(2) .

Find the nth term of an HP

The 7th term of a H.P. is (1)/(10) and 12 th term is (1)/(25), find the 20th term of H.P.

The sum of the first two terms of a GP Is -4 and the fifth term is 4 times the third term. Find the first term and the common ratio.

The sum of the first two terms of a GP Is -4 and the fifth term is 4 times the third term. Find the GP.

If fourth term of an HP is 3/5 and its 8^(th) term is 1/3, then its first term is–

If the first two terms of a progression are log_2 256 and log_3 81 respectively, then which of the following stastement (s) is (are) true: (A) if the third term is 2log_6 1 the the terms are in A.P. (B) if the third term is log_2 8, the the terms are in A.P. (C) if the third term is log_4 16 the the terms are in G.P. (D) if the third term is 2/3 log_2 16 the the terms are in H.P.

The third term of an A.P.is 7 and the seventh term exceeds three xx the third term by 2. Find the first term,the common difference and the sum of first 20 terms.

If the first two terms of a progression are log_2 256 and log_3 81 respectively, then which of the following stastement (s) is (are) true: (A) if the third term is 2log_61 the the terms are in A.P. (B) if the third term is log_2 8, the the terms are in A.P. (C) if the third term is log_4 16 the the terms are in G.P. (D) if the third term is 2/3 log_2 16 the the terms are in H.P.