If `A={(1)/(x) : x in N and x lt 8}and B={(1)/(2x):x in N and x le 4}`, find :
(i) `A cup B`
(ii) `A cup B `
(iii) ` A-B`
(iv)` B-A`

If A ={2x:x in N and 1 le x lt 4}, B= {(x+2): x in N and 2 le x lt 5} } and C = {x:x in N and 4 lt x lt 8} , find : (i) A cap B (ii) A cup B (iii) (A cup B) cap C

Given A={x :x in N " and " 3 lt x le 6} and B={x:x in W " and " x lt 4} . Find : (i) sets A and B in roster form: (ii) A cup B , (ii) A cap B , (iii) A-B, (iv) B-A

If A= {x: x in N , x is a factor of 6} and B = { x in N : x is a factor of 8} then Find (i) A cap B , (ii) A cap B , (iii) A-B, (iv) B-A .

Let A={x : x in Z, 2 le x le 5} and B={x : x in Z, -2 le x lt 4} . Find the following : (i) n(A uu B) (ii) n(A nn B) (iii) n(A-B) (iv) n(B-A)

If A = {x: x in W, x lt 2}, B= {x: x in N, 1 lt x lt 5}, C= {3,5} , find: (i) A xx (B nn C) (ii) A xx (B uuC)

If P={x:x in W " and " 4 le x le 8} and Q={x:x in N " and " x lt 6} . Find : (i) P cup Q and P cap Q (ii) Is (P cup Q) sup (P cap Q) ?

If A={x:1 lex le2} and B={ x: 0 lt x le 4} , find A cup B

If A = {5, 6, 7, 8, 9}, B={x : 3 lt x lt 8 " and " x in W} and C={x:x le 5 " and " x in N} . Find : (i) A cup B and (A cup B) cup C (ii) B cup C and A cup (B cup C) (iii) A cap B and (A cap B) cap C (iv) B cap C and A cap (B cap C) Is (A cup B) cup C = A cup (B cup C) ? Is (A cap B) cap C) = A cap (B cap C) ?