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In how many ways can the letters of the word TO... - JAMB Mathematics 2012 Question

In how many ways can the letters of the word TOTALITY be arranged?
A
6720
B
6270
C
6207
D
6027
correct option: a

(\frac{8!}{3!})

(\frac{8 \times 7 \times 6 \times 5 \times 4 \times 3 \times 2 \times 1}{3 \times 2\times 1})

==> 8 x 7 x 6 x 5 x 4 = 6720

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