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1.Set Theory
easy
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
$C-A$
A
$\{ 2,4,8,10,14,16\} $
B
$\{ 2,4,8,10,14,16\} $
C
$\{ 2,4,8,10,14,16\} $
D
$\{ 2,4,8,10,14,16\} $
Solution
$C-A=\{2,4,8,10,14,16\}$
Standard 11
Mathematics