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Consider a universal set U = {1,2,3,4,.....

Consider a universal set U = {1,2,3,4,.....10}
Set P = {x | x is a prime number}
Set E = {2,4,6,8,10}
Set O = {1,3,5,7,9}
Set C ={x\ x is a composite number}
Find the number of elements in E-C

A

3

B

2

C

4

D

none of these

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The correct Answer is:
D
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