Single Choice

If X = (multiples of 2), Y = (multiples of 5), Z = (multiples of 10), then X(YZ) is equal to

Amultiples of 10
Correct Answer
Bmultiples of 5
Cmultiples of 2
Dmultiples of 7

Solution

WecanwritethegivensetsasX={2,4,6,8,10,18,20,28,30,}Y={5,10,15,20,3040}Z={10,20,30,40,}YZ={10,20,30,}X(YZ)={10,20,30,}=ZX(YZ)=Z(Ans)


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