Q119 / 200 · TS EAMCET 2002 · Mathematics

The number of ways that 8 beads of different colours be strung as a necklace is

Correct answer
A
$2520$
B
$2880$
C
$4320$
D
$5040$

Solution

Number of ways $$ =\frac{(8-1) !}{2}=\frac{7 !}{2}=2520 $$

Hence, the correct answer is option: 'A'.

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