Answers

2014-05-30T21:10:57+05:30
Ans= 6 factorial
because in case of  necklace the no. of cases is reduced to 1/2  as there is no meaning to anticlockwise or clockwise
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i think it is only 1 as the beads are identical.
2014-05-30T21:50:06+05:30
There is only 1 way of stringing 7 identical beads on a ring.
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