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How many Permutations of the letters of the word APPLE are there?
Answer & Solution
Correct Answer:
Option
D
APPLE = 5 letters.
But two letters PP is of same kind.
Thus, required permutations,
$$\eqalign{
& = \frac{{5!}}{{2!}} \cr
& = \frac{{120}}{2} \cr
& = 60 \cr} $$
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LoginCos it can be arrange in 4 ways and not 3ways
Pls explain better
PP repeated so 2!=2×1 =2
=5!÷2!
=60