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00
100
90
80
Is the sentence true or false?
P(10,2) = 40
true
false
Complete:
The circular permutation formula says, the number of ways of arranging 'n' things in the circular shape is _______.
(n+1)!(n+1)!(n+1)!
(n−1)!(n-1)!(n−1)!
(n)!(n)!(n)!
A Permutation is an ordered Combination.
True
False
The number of permutations (arrangements) of 'n' different things out of which 'r' things are taken at a time and where the repetition is not allowed is given by the formula:
n!/(n−r)!n!/(n-r)!n!/(n−r)!
n!/(n+r)!n!/(n+r)!n!/(n+r)!
4!=_________.
14
24
18
How many words can be formed using the letters of the word TRIANGLES?
8!8!8!
9!9!9!
10!10!10!
P(n,r)=nPr=n!(n−r)!P(n,r)=n\Pr=\frac{n!}{(n-r)!}P(n,r)=nPr=(n−r)!n!
The number of permutations of 'n' things out of which 'r' things are taken and where the repetition is allowed is given by the formula:________.
nr+1n^{r+1}nr+1
nrn^rnr
n+rn+rn+r
It is done.