Home
Class 12
MATHS
If ""^(12)Pr=1320 find r...

If `""^(12)P_r=1320` find r

Text Solution

Verified by Experts

The correct Answer is:
r=3
Promotional Banner

Similar Questions

Explore conceptually related problems

If ""^(n)P_(3)=1320 , find n.

If ""^(12)C_(r)=495 , find the possible values of (r ).

If ""^(n)P_(r)=5040 and ""^(n)C_(r)=210, find n and r.

If ""^(n)P_(r)=5040 and ""^(n)C_(r)=210 , find n and r.

If ""^(n)P_(r)=3024 then (n,r) is

If ""^(12)P_(5)+5. ""^(12)P_(4)=""^(13)P_(r) , find r.

If ""^(12)C_(r+1)=""^(12)C_(3r-5), find r.

If ""^9P_5+"5 "^9P_4=^(10)P_r then find r

IF ""^(10)p _r = 5040 then r=

IF ""^(n) P_(r)=720,""^(n)C_(r)=120 then (n,r) =