Tag: geometric sequences
Questions Related to geometric sequences
If a, b and c are in geometric progression, then $a^2$, $b^2$ and $c^2$ are in _____ progression.
The sequence $-6 + 42 - 294 + 2058$ is a
The sum of the series $10 - 5 + 2.5 - 1.25.....$ is called
When a number $x$ is subtracted from each of the numbers $8, 16$, and $40$, the resulting three numbers form a geometric progression. Find the value of $x$.
Say true or false.
The total savings (in $Rs.$) after every month for $10$ months when $Rs. 50$ are saved each month are $50, 150, 200, 250, 300, 350, 400, 450, 500$ represent G.P.
Say true or false.
Given series:$15, 30, 60, 120, 240$ is in G.P.
Which of the following is not a G.P.?
For the infinite series $1-\cfrac { 1 }{ 2 } -\cfrac { 1 }{ 4 } +\cfrac { 1 }{ 8 } -\cfrac { 1 }{ 16 } -\cfrac { 1 }{ 32 } +\cfrac { 1 }{ 54 } -\cfrac { 1 }{ 128 } -....\quad $ let $S$ be the (limiting) sum. Then $S$ equals
What is the geometric mean of $6$ and $24$ ?
$a^x=b, b^y=c, c^z=a$
Find the value of x, y, z.