First negative term of series 998,996,994.....

find the first negative term of the sequence 999,995,991,987,...

Find the first negative term of the series 2000, 1995, 1990,1985...

First negative term of the series 4,3(5)/(7),3(3)/(7),… is :

First negative term of the series 4,3(5)/(7),3(3)/(7),… is :

Find the first negative term of the sequence 185,181,177,173,"……" .

The sum of the first five terms of a geometric series is 189, the sum of the first six terms is 381, and the sum of the first seven terms is 765. What is the common ratio in this series.

Find the sum of the first n terms of the series 0.4 + 0.94 + 0.994 + . . . .

a, b, c are the first three terms of a geometrical series. If the harmonic mean of a and b is 12 and that of b and c is 36, find the first five terms of series.

Which term of the AP 75, 72, 69, ... is its first negative term ? If it is the nth term, find S_n .