In the following, state whether A = B or not: 

(i) A = {a, b, c, d}; B = {d, c, b, a} 

(ii) A = {4, 8, 12, 16}; B = {8, 4, 16, 18} 

(iii) A = {2, 4, 6, 8, 10}; B = {x: x is positive even integer and x ≤ 10} 

(iv) A = {x: x is a multiple of 10}; B = {10, 15, 20, 25, 30 …} 

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  }
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  (B) 5 and 12
  (C) 5 and 20
  (D) 12 and 20
  
  

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