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Permutation Calculator
 
Method  
 

1.
N = !
  1. `3!`
  2. `4!`
  3. `5!`
  4. `6!`
  5. `7!`
  6. `8!`

2.
!

!
 
  1. `(3!)/(2!)`
  2. `(4!)/(5!)`
  3. `(5!)/(3!)`
  4. `(6!)/(4!)`
  5. `(7!)/(8!)`
  6. `(8!)/(6!)`

3. nPr
n= P r=
 
  1. `{::}^(3)P_(2)`
  2. `{::}^(4)P_(4)`
  3. `{::}^(5)P_(3)`
  4. `{::}^(6)P_(4)`
  5. `{::}^(7)P_(5)`
  6. `{::}^(8)P_(6)`

4. nCr
n= C r=
 
  1. `{::}^(3)C_(2)`
  2. `{::}^(4)C_(4)`
  3. `{::}^(5)C_(3)`
  4. `{::}^(6)C_(4)`
  5. `{::}^(7)C_(5)`
  6. `{::}^(8)C_(6)`

5. How many words can be formed by using all letters of the word
 
  1. `A(2,8),B(1,5)``,C(0,2)`
  2. `A(2,5),B(4,9)``,C(6,4)`
  3. `A(-1,-1),B(1,5)``,C(2,8)`
  4. `A(-3,2),B(1,2)``,C(-3,5)`
  5. `A(0,-1),B(3,5)``,C(5,9)`
  6. `A(4,1),B(-2,-3)``,C(6,7)`

6.
Total = , = , = , =
Selected Men = , Women = , children = , others =
 
  1. slope`=2`,`A(0,3)`
  2. slope`=1/4`,`A(0,0)`
  3. slope`=1/2`,`A(5,4)`

7.
Total = , = , = , = ,
Total selected = Out of this
 
  1. Line`:2x+3y+4=0`
  2. Line`:3x+6y-8=0`
  3. Line`:4x+5y+7=0`
  4. Line`:3x-2y-12=0`
  5. Line`:7y-4x+9=0`
  6. Line`:5x+2y-11=0`
  7. Line`:3x-y+11=0`
  8. Line`:4x-3y+2=0`

8. Permutation, Combination List
n = , r =
Is order important?  
Is repetition allowed?  
List variables :
 
  1. `n=3, r=2`
  2. `n=4, r=4`
  3. `n=5, r=3`
  4. `n=6, r=4`
  5. `n=7, r=5`
  6. `n=8, r=6`

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