Determine the cardinal number of the following set. (Mention the answer in the numerical form)

$K=\left\{Letter in the word MADAM\right\}$

Determine the cardinal number of the following set. (Mention the answer in the numerical form)

$X=\left\{x:x is an odd prime number less than 40\right\}$

Determine the cardinal number of the following set. (Mention the answer in the numerical form)

$Y=\left\{x:x is a repeated vowel in the word MANORMA\right\}$

Determine the cardinal number of the following set. (Mention the answer in the numerical form)

$A=\left\{x:x is a consonant in the word RUSSIA\right\}$

Determine the cardinal number of the following set.

$R=\left\{Prime factors of 90\right\}$

Determine the cardinal number of the following set. (Mention the answer in the numerical form)

$S=\left\{natural numbers greater than 1 and less than 2\right\}$

Determine the cardinal number of the following set.

$T=\left\{x:x\in Z and -8<x⩽2\right\}$

Determine the cardinal number of the following set. (Mention the answer in the numerical form)

$L=\left\{x\overline{)x=\frac{1}{n},n<6 and n\in N}\right\}$

If $P$ is the set of all the letters of the word QUEEN, then its cardinal number will be _____. ($4/5/3$)