1.

There are 12 balls numbered from 1 to 12. The number of ways in which they can be used to fill 8 places in a row is

Answer»

`""^(12)C_(8)`
`""^(12)P_(8)`
`2xx""^(12)P_(8)`
`2xx""^(12)C_(8)`

Answer :B


Discussion

No Comment Found

Related InterviewSolutions