Home
Class 11
MATHS
If the difference of the number of arran...

If the difference of the number of arrangements of three things from a certain number of dissimilar things and the number of selection of the same number of things from them exceeds 100, then the least number of dissimilar things is a. `8` b. `6` c. `5` d. `7`

Promotional Banner

Similar Questions

Explore conceptually related problems

The number of ways of selecting one or more things out of n dissimilar things is

If the number of arrangements of (n-1) things taken from n different things is k xx the number of arrangements of (n-1) things taken from n things in which two things are identical then the value of k is

The number of dissimilar terms in the expansion of (a+2b+3c)^8 is

The number of circular permutations of 7 dissimilar things taken 5 at a time is

The number of circular permutations of 8 things taken 4 at a time is

The number of circular permutations of 8 things taken 4 at a time is

The number of permutations of n things taken r at a time if 3 particular things always occur is

The total number of selections of atleast one thing at most r things from (2r+1) different things is 255. Then the value of r is