MCQ
The remainder when $3^{2022}$  is divided by $5$ is
  • A
    $1$
  • B
    $2$
  • C
    $3$
  • $4$

Answer

Correct option: D.
$4$
d
$3^{2022}=9^{1011}=(10-1)^{1011}=10 m -1=10 m -5+4$

$=5(2 m-1)+4( m \text { is integer })$

Remainder $=4$

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

If the length of the tangent from the origin to the circle centered at $(2, 3)$ is $2$ then the equation of the circle is:
The equation $\sin x + \sin y + \sin z = - 3$ for $0 \le x \le 2\pi ,$ $0 \le y \le 2\pi ,$ $0 \le z \le 2\pi $, has
If $f : Q \rightarrow Q$ is defined as $f(x) = x^2,$ then $f^{-1}(9)$ is equal to:
If $x + iy = \frac{3}{{2 + \cos \theta + i\sin \theta }},$then ${x^2} + {y^2}$ is equal to
The probability of getting either all heads or all tails for exactly the second time in the $3^{rd}$ trial, if in each trial three coins are tossed, is
The value of $a$ such that $x^2-11 x+a=0$ and $x^2-14 x+2 a=0$ may have a common root is:
Equation of line perpendicular to straight line $3 x-4 y$ $+7=0$ and passing through point $(1,-2)$ is given by :
Two numbers are selected randomly from the set $S = \{1, 2, 3, 4, 5, 6, 7, 8, 9, 10\}$ without replacement one by one. The probability that minimum of the two numbers is divisible by $3$ or maximum of the two numbers is divisible by $4$ , is 
Let $\theta_1$ be the angle between two lines $2x + 3y + c_1\, = 0$ and $-x+5y + c_2\, = 0$ and $\theta_2$ be the angle between two lines $2x+ 3y + c_1\, = 0$ and $-x+ 5y + c_3\, = 0$, where $c_1, c_2, c_3$ are any real numbers 

Statement $-1$ : If $c_2$ and $c_3$ are proportional, then $\theta_1\, = \theta_2$

Statement $-2$ : $\theta_1\, = \theta_2$ for all $c_2$ and $c_3$

The middle term in the expansion of $\Big(\frac{2\text{x}}{3}=\frac{3}{2\text{x}^{2}}\Big)^{2\text{n}}$ is: