Saved Bookmarks
| 1. |
Number of necklaces of 8 coloured stoned made by 15 coloured stones. |
|
Answer» Number of neckless of 8 coloured stone made by 15 coloured stone = 15C8 = \(\cfrac{15\times14\times13\times12\times11\times10\times9\times8!}{8!\times7\times6\times5\times4\times3\times2\times1}\) = 6435 |
|