ICSE Class 8 Answered

Answers:

Subsets of set A = $\left\{\right\}$, $\left\{5\right\}$,$\left\{7\right\}$,$\{5,7\}$

Subsets of set B = $\left\{\right\}$,$\left\{a\right\}$,$\left\{b\right\}$,$\left\{c\right\}$,$\{a,b\}$,$\{a,c\}$,$\{b,c\}$,$\{a,b,c\}$

Set C= $\{x:x\in W,x\le 2\}$ = $\{0,1,2\}$ 

$\therefore$ Subsets of set C = $\left\{\right\}$,$\left\{0\right\}$,$\left\{1\right\}$,$\left\{2\right\}$,$\{0,1\}$,$\{0,2\}$,$\{1,2\}$,$\{0,1,2\}$

$\left\{\text{p:p is a letter in the word 'poor'}\right\}$=$\left\{\text{p,o,r}\right\}$

$\therefore$ Subsets of the given set =$\left\{\right\}$,$\left\{p\right\}$,$\left\{o\right\}$,$\left\{r\right\}$,$\{p,o\}$,$\{p,r\}$,$\{o,r\}$,$\{p,o,r\}$