MCQ
A sequence is called ___________________ if $a_{n+1}=a_n \times r$.
  • A
    arithmetic progression
  • geometric Progression
  • C
    harmonic Progression
  • D
    special Progression

Answer

Correct option: B.
geometric Progression
  1. geometric Progression
Solution:
Explanation: A sequence is called geometric progression if $a_{n+1}$ $=a_n{ }^* r$ where $a_1$ is the first term and $r$ is common ratio.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Let $P$ is a point on hyperbola $x^2 -y^2 = 4$ , which is at minimum distance from $(0,-1)$ then distance of $P$ from $x-$ axis is
Let $[t]$ denotes the greatest integer $\leq t$. If the constant term in the expansion of $\left(3 x^2-\frac{1}{2 x^5}\right)^7$ is $\alpha$, then $[\alpha]$ is equal to $............$.
The plane x = 0 divides the joinning of (-2, 3, 4) and (1, -2, 3) in the ratio:
The equation of normal at the point $(0, 3)$ of the ellipse $9{x^2} + 5{y^2} = 45$ is
The mean of 200 items was 50. Later on, it was discovered that two items were misread as 92 and 8 instead of 192 and 8. The correct mean is:
$\frac{\sin3\text{x}}{1+2\cos2\text{x}}$ is equal to:
A tangent $P T$ is drawn to the circle $x^2+y^2=4$ at the point $P(\sqrt{3}, 1)$. A straight line $L$, perpendicular to $P T$ is a tangent to the circle $(x-3)^2+y^2=1$.

$1.$ A common tangent of the two circles is

$(A)$ $x=4$ $(B)$ $y=2$ $(C)$ $x+\sqrt{3} y=4$ $(D)$ $x+2 \sqrt{2} y=6$

$2.$ A possible equation of $L$ is

$(A)$ $x-\sqrt{3} y=1$ $(B)$ $x+\sqrt{3} y=1$ $(C)$ $x-\sqrt{3} y=-1$ $(D)$ $x+\sqrt{3} y=5$

Give the answer question $1$ and $2.$

If $\mathrm{A}=\{\mathrm{x} \in {R}:|\mathrm{x}-2|>1\}, \mathrm{B}=\left\{\mathrm{x} \in {R}: \sqrt{\mathrm{x}^{2}-3}>1\right\}$, $\mathrm{C}=\{\mathrm{x} \in {R}:|\mathrm{x}-4| \geq 2\}$ and ${Z}$ is the set of all integers, then the number of subsets of the set $(A \cap B \cap C)^{c} \cap {Z}$ is .... .
If the points A (1, 2), B (2, 4) and C (3, a) are collinear, what is the length BC?
The set of real values of $x$ for which ${\log _{0.2}}{{x + 2} \over x} \le 1$ is