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Is the sentence true or false?
P(10,2) = 40
true
false
Complete:
4!=_________.
14
24
18
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
100
90
80
A Permutation is an ordered Combination.
True
False
How many words can be formed using the letters of the word TRIANGLES?
8!8!8!
9!9!9!
10!10!10!
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)!
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)!
It is done.