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.

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 the G.P?

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

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

The fourth, seventh and the last term of a G.P. are 10 ,80a n d2560 respectively. Find the first term and the number in the G.P.

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

The 4th, 7th and last terms of a G.P. are 10,80 and 2560 respectively. Find the number of terms of the G.P.

The 4th, 7th and last terms of a G.P. are 10,80 and 2560 respectively. Find the number of terms of the G.P.

If the 6th and 10th terms of a G.P. are 1/16 and 1/256 respectively. Find the G.P. if its terms are real numbers.

The fourth, seventh and tenth terms of a G.P. are p, q, r respectively, then :