Home
Class 11
MATHS
If 22P(r+1):^(20)P(r+2)=11 : 52 ,find r...

If `22P_(r+1):^(20)P_(r+2)=11 : 52` ,find `r`

Promotional Banner

Similar Questions

Explore conceptually related problems

(a) If .^(22)P_(r+1):^(20)P_(r+2)=11 : 52 , find r. (b) If .^(56)P_(r+6):^(54)P_(r+3)=30800: 1 , find r.

If ""^(22)P_(r+1):""^(20)P_(r+2)=11:52, find r.

If ""^(10)P_(r) = 720, find r.

If ""^(15)P_(r-1): ""^(16)P_(r-2)=3:4 , find r.

(i) If ""^(5)P_(r)=2xx""^(6)P_(r-1) , find r. (ii) If ""^(20)P_(r)=13xx""^(20)P_(r-1) , find r. (iii) If ""^(11)P_(r)=""^(12)P_(r-1) , find r.

If .^(6)P_(r): .^(6)P_(5) = 1:2 , find the value of r.

If ^(56)P_(r+6):^(54)P_(r+3)=30800:1, find r