In how many ways can the letters of the word PATNA be rearrange?
(a) 60
(b) 120
(c) 119
(d) 59
monipatil08:
ans is 59
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Patna has 5 letters.
But it can be rearranged only half of 5! i.e., 5!/2
=120/2
=60
So the answer is a) 60
But it can be rearranged only half of 5! i.e., 5!/2
=120/2
=60
So the answer is a) 60
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