Question

Dos anagramas da palavra “PAPIRO”, quantos começam com a letra P?

Answer 1

$\large\boxed{\begin{array}{l}\sf A~palavra~PAPIRO~tem\,6~letras\\\sf onde\,a\,letra\,P\,se\,repete.\\\sf iniciando\,por\,P,temos\,5\,letras\,para\,permutar.\\\sf portanto\\\sf P_5=5!=5\cdot4\cdot3\cdot2\cdot1=120\,anagramas.\end{array}}$