Are the following of sets equal ?
(i) `{x:x` is a letter in the word 'INDIA'} `{x:x` is letter in the word 'DINA'}.
(ii) `A={x:x` is a root of the equation `x^(2)-5x+6=0},B={2,3}.`
(iii) `A=:1,2,4,},B={x:x` is a dighit in the number `1123421}`
(iv) `A={2,3,5},B={x:x` is a positive prime divisor of `180}`
(v) `A={1,4,8,16,64},B={x:x` is a positive divisor of `64}.`