Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  EAMCET  >>  Mathematics
Answer
Comment
Share
Q)

If $^n P_r=30240$ and $^n C_r=252$ then the ordered pair (n,r)=

\[\begin {array} {1 1} (1)\;(12,6) & \quad (2)\;(10,5) \\ (3)\;(9,4) & \quad (4)\;(16,7) \end {array}\]

1 Answer

Home Ask Tuition Questions
Your payment for is successful.
Continue
...