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Question

If P={x:x is a letter in the word "PERMANENT"}, then n(P) is _____________.

A
8
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B
10
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C
6
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D
7
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Solution

The correct option is D 7
P={x:x is a letter in the word "PERMANENT"}or P={P,E,R,M,A,N,T}n(P)=7

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