which term of the series `1/3,1/9,1/27`..... is `1/19683`?

Which term of the series 4,2,1,..... is (1/128) ?

nth term of the series 1,(1)/(2),(1)/(3),... is

Which term of the G.P:: (1)/(3),(1)/(9),(1)/(27)is(1)/(19683)?

If S denote the sum to infinity and S_(n), the sum of n terms of the series 1+(1)/(3)+(1)/(9)+(1)/(27)+.... such that S-S_(n)<(1)/(300), then the least value of n is

If n^(th) term of the series 3'1/3,2,1'3/7,1'1/9,"……" is (an+10)/(bn+c), AA n in N then find the value of (a+b+c)

The 9^(th) term of the series 27+9+27/5+27/7+...

find the missing term of the series 1,3,5,?,9,11

How many terms of the series 1+3+9+.......... sum to 364?

Find the middle term of the series 1+5+9+...+101