If $P = {P : P i s l e t t e r i n t h e w o r d " P E R M A N E N T "}$ . Then n(P) ___. [1 Mark]

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Solution

$P = {P : P i s l e t t e r i n t h e w o r d " P E R M A N E N T "} o r P = {p, e, r, m, a, n, t} . . . (0.5 m a r k s) ∴ n (P) = 7$ ...(0.5 marks)

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