A) 22
B) 33
C) 10
D) 45
Correct Answer: D
Solution :
[d] \[n\,(M)=55,\]\[n\,(P)=67,\]\[n\,(M\cup P)=100\] Now, \[n\,(M\cup P)=n\,(M)+n\,(P)-n\,(M\cap P)\] \[\Rightarrow \] \[100=55+67-n\,(M\cap P)\] \[\therefore \] \[n\,(M\cap P)=122-100=22\] Now, n (P only) \[=n\,(P)-n\,(M\cap P)\] \[=67-22=45\] |
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