If `A = {3, 6, 9, 12 , 15 , 18 , 21}` , `B = { 4, 8, 12 ,16 , 20 }` , `C = { 2, 4, 6, 8, 10 , 12...

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Question From - NCERT Maths Class 11 Chapter 1 EXERCISE 1.4 Question – 9 SETS CBSE, RBSE, UP, MP, BIHAR BOARD

QUESTION TEXT:-
If `A = {3, 6, 9, 12 , 15 , 18 , 21}` , `B = { 4, 8, 12 ,16 , 20 }` , `C = { 2, 4, 6, 8, 10 , 12 , 14 , 16 }` , `D = {5, 10 , 15 , 20 }` , find (i) `A - B` (ii) `A - C` (iii) `A - D`

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