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All combinations of three different dices of side $4, 5$ and $6$.


Three fair six-sided dice are tossed and the numbers showing on top are recorded.A formula for a number of combinationsHow many different ways are there from $(0,0,0)$ to the point $(4,3,5)$?Various probabilities given three dice with different colorsHow many different combinations for a combination lock if…combinations from different amounts of subjects of which some are different and some the sameBest way to show the probability that when two dice are rolled, one the first die has a larger number than the other dieHow many passwords of length 8 with digits non-decreasing sequence and start with 5?Total number of iterations in $d$ nested for loopsCalculating combinations of three of a kind in Texas Hold 'Em













0












$begingroup$


You have three dice each with a different number of sides, and numbers ranging from $1$ to the number of sides.



$d_1 = 1 sim 4$



$d_2 = 1 sim 5$



$d_3 = 1 sim 6$



How many possible combinations are out there rolling these three dice?
($[1,1,2]$ will be the same as $[1,2,1]$ and $[2,1,1]$)



I tried to hard figuring this out with combinations but I can't get my head around it.










share|cite|improve this question











$endgroup$











  • $begingroup$
    Welcome to MSE. Please read this text about how to ask a good question.
    $endgroup$
    – José Carlos Santos
    Mar 16 at 10:22






  • 3




    $begingroup$
    What did you "try hard" to do? Where exactly do you need our help?
    $endgroup$
    – Oscar Lanzi
    Mar 16 at 11:19










  • $begingroup$
    I think I had a wrong approach to begin with. It seemed misleading so I decided not to include.
    $endgroup$
    – Leonard
    Mar 16 at 15:48















0












$begingroup$


You have three dice each with a different number of sides, and numbers ranging from $1$ to the number of sides.



$d_1 = 1 sim 4$



$d_2 = 1 sim 5$



$d_3 = 1 sim 6$



How many possible combinations are out there rolling these three dice?
($[1,1,2]$ will be the same as $[1,2,1]$ and $[2,1,1]$)



I tried to hard figuring this out with combinations but I can't get my head around it.










share|cite|improve this question











$endgroup$











  • $begingroup$
    Welcome to MSE. Please read this text about how to ask a good question.
    $endgroup$
    – José Carlos Santos
    Mar 16 at 10:22






  • 3




    $begingroup$
    What did you "try hard" to do? Where exactly do you need our help?
    $endgroup$
    – Oscar Lanzi
    Mar 16 at 11:19










  • $begingroup$
    I think I had a wrong approach to begin with. It seemed misleading so I decided not to include.
    $endgroup$
    – Leonard
    Mar 16 at 15:48













0












0








0





$begingroup$


You have three dice each with a different number of sides, and numbers ranging from $1$ to the number of sides.



$d_1 = 1 sim 4$



$d_2 = 1 sim 5$



$d_3 = 1 sim 6$



How many possible combinations are out there rolling these three dice?
($[1,1,2]$ will be the same as $[1,2,1]$ and $[2,1,1]$)



I tried to hard figuring this out with combinations but I can't get my head around it.










share|cite|improve this question











$endgroup$




You have three dice each with a different number of sides, and numbers ranging from $1$ to the number of sides.



$d_1 = 1 sim 4$



$d_2 = 1 sim 5$



$d_3 = 1 sim 6$



How many possible combinations are out there rolling these three dice?
($[1,1,2]$ will be the same as $[1,2,1]$ and $[2,1,1]$)



I tried to hard figuring this out with combinations but I can't get my head around it.







combinatorics combinations






share|cite|improve this question















share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Mar 16 at 11:11









Vinyl_cape_jawa

3,34011433




3,34011433










asked Mar 16 at 10:15









LeonardLeonard

1033




1033











  • $begingroup$
    Welcome to MSE. Please read this text about how to ask a good question.
    $endgroup$
    – José Carlos Santos
    Mar 16 at 10:22






  • 3




    $begingroup$
    What did you "try hard" to do? Where exactly do you need our help?
    $endgroup$
    – Oscar Lanzi
    Mar 16 at 11:19










  • $begingroup$
    I think I had a wrong approach to begin with. It seemed misleading so I decided not to include.
    $endgroup$
    – Leonard
    Mar 16 at 15:48
















  • $begingroup$
    Welcome to MSE. Please read this text about how to ask a good question.
    $endgroup$
    – José Carlos Santos
    Mar 16 at 10:22






  • 3




    $begingroup$
    What did you "try hard" to do? Where exactly do you need our help?
    $endgroup$
    – Oscar Lanzi
    Mar 16 at 11:19










  • $begingroup$
    I think I had a wrong approach to begin with. It seemed misleading so I decided not to include.
    $endgroup$
    – Leonard
    Mar 16 at 15:48















$begingroup$
Welcome to MSE. Please read this text about how to ask a good question.
$endgroup$
– José Carlos Santos
Mar 16 at 10:22




$begingroup$
Welcome to MSE. Please read this text about how to ask a good question.
$endgroup$
– José Carlos Santos
Mar 16 at 10:22




3




3




$begingroup$
What did you "try hard" to do? Where exactly do you need our help?
$endgroup$
– Oscar Lanzi
Mar 16 at 11:19




$begingroup$
What did you "try hard" to do? Where exactly do you need our help?
$endgroup$
– Oscar Lanzi
Mar 16 at 11:19












$begingroup$
I think I had a wrong approach to begin with. It seemed misleading so I decided not to include.
$endgroup$
– Leonard
Mar 16 at 15:48




$begingroup$
I think I had a wrong approach to begin with. It seemed misleading so I decided not to include.
$endgroup$
– Leonard
Mar 16 at 15:48










2 Answers
2






active

oldest

votes


















4












$begingroup$

First, let's figure out how many combinations we can have with three $6$-sided dice. It's the same as counting the number of solutions of the equation
$$x_1+x_2+x_3+x_4+x_5+x_6=3$$
in nonnegative integers; by the so-called "stars and bars" formula, the answer is $binom83=56$.



Not all of these $56$ combinations are possible with your actual set of dice, some of them have too many $5$'s and/or $6$'s; but the number of impossible combinations is small enough to count by hand.



Three sixes: $[6,6,6]$

Two sixes: $[6,6,1]$, $[6,6,2]$, $[6,6,3]$, $[6,6,4]$, $[6,6,5]$

One six and two fives: $[6,5,5]$

Three fives: $[5,5,5]$



That's $8$ impossible combinations, so the answer to your question is $56-8=48$.






share|cite|improve this answer









$endgroup$




















    1












    $begingroup$

    Let list all possible combinations together with their cardinality ($xyz$ mean numbers less than or equal to 4):
    $$beginalign
    &[x56]:&4\
    &[xy6]:&4+frac122=10\
    &[x55]:&4\
    &[xy5]+[x5y]:&4+frac122=10\
    &[xyz]:& 4+frac363+frac246=20\
    & textall:&48
    endalign
    $$



    Explanation:



    $4$ stays for possible combinations with $xy$ or $xyz$ being equal.



    $12=4cdot3$ stays for possible combinations with distinct $xy$. It should be divided by $2=frac2!1!1!$ to avoid double counting.



    $36=binom31 4cdot3 $ stays for possible combinations with two of $xyz$ being equal and distinct from the third one. It should be divided by $3=frac3!1!2!$ to avoid double counting.



    $24=4cdot3cdot2 $ stays for possible combinations with all three of $xyz$ being distinct. It should be divided by $6=frac3!1!1!1!$ to avoid double counting.






    share|cite|improve this answer











    $endgroup$












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      2 Answers
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      active

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      2 Answers
      2






      active

      oldest

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      active

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      active

      oldest

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      4












      $begingroup$

      First, let's figure out how many combinations we can have with three $6$-sided dice. It's the same as counting the number of solutions of the equation
      $$x_1+x_2+x_3+x_4+x_5+x_6=3$$
      in nonnegative integers; by the so-called "stars and bars" formula, the answer is $binom83=56$.



      Not all of these $56$ combinations are possible with your actual set of dice, some of them have too many $5$'s and/or $6$'s; but the number of impossible combinations is small enough to count by hand.



      Three sixes: $[6,6,6]$

      Two sixes: $[6,6,1]$, $[6,6,2]$, $[6,6,3]$, $[6,6,4]$, $[6,6,5]$

      One six and two fives: $[6,5,5]$

      Three fives: $[5,5,5]$



      That's $8$ impossible combinations, so the answer to your question is $56-8=48$.






      share|cite|improve this answer









      $endgroup$

















        4












        $begingroup$

        First, let's figure out how many combinations we can have with three $6$-sided dice. It's the same as counting the number of solutions of the equation
        $$x_1+x_2+x_3+x_4+x_5+x_6=3$$
        in nonnegative integers; by the so-called "stars and bars" formula, the answer is $binom83=56$.



        Not all of these $56$ combinations are possible with your actual set of dice, some of them have too many $5$'s and/or $6$'s; but the number of impossible combinations is small enough to count by hand.



        Three sixes: $[6,6,6]$

        Two sixes: $[6,6,1]$, $[6,6,2]$, $[6,6,3]$, $[6,6,4]$, $[6,6,5]$

        One six and two fives: $[6,5,5]$

        Three fives: $[5,5,5]$



        That's $8$ impossible combinations, so the answer to your question is $56-8=48$.






        share|cite|improve this answer









        $endgroup$















          4












          4








          4





          $begingroup$

          First, let's figure out how many combinations we can have with three $6$-sided dice. It's the same as counting the number of solutions of the equation
          $$x_1+x_2+x_3+x_4+x_5+x_6=3$$
          in nonnegative integers; by the so-called "stars and bars" formula, the answer is $binom83=56$.



          Not all of these $56$ combinations are possible with your actual set of dice, some of them have too many $5$'s and/or $6$'s; but the number of impossible combinations is small enough to count by hand.



          Three sixes: $[6,6,6]$

          Two sixes: $[6,6,1]$, $[6,6,2]$, $[6,6,3]$, $[6,6,4]$, $[6,6,5]$

          One six and two fives: $[6,5,5]$

          Three fives: $[5,5,5]$



          That's $8$ impossible combinations, so the answer to your question is $56-8=48$.






          share|cite|improve this answer









          $endgroup$



          First, let's figure out how many combinations we can have with three $6$-sided dice. It's the same as counting the number of solutions of the equation
          $$x_1+x_2+x_3+x_4+x_5+x_6=3$$
          in nonnegative integers; by the so-called "stars and bars" formula, the answer is $binom83=56$.



          Not all of these $56$ combinations are possible with your actual set of dice, some of them have too many $5$'s and/or $6$'s; but the number of impossible combinations is small enough to count by hand.



          Three sixes: $[6,6,6]$

          Two sixes: $[6,6,1]$, $[6,6,2]$, $[6,6,3]$, $[6,6,4]$, $[6,6,5]$

          One six and two fives: $[6,5,5]$

          Three fives: $[5,5,5]$



          That's $8$ impossible combinations, so the answer to your question is $56-8=48$.







          share|cite|improve this answer












          share|cite|improve this answer



          share|cite|improve this answer










          answered Mar 16 at 12:12









          bofbof

          52.5k558121




          52.5k558121





















              1












              $begingroup$

              Let list all possible combinations together with their cardinality ($xyz$ mean numbers less than or equal to 4):
              $$beginalign
              &[x56]:&4\
              &[xy6]:&4+frac122=10\
              &[x55]:&4\
              &[xy5]+[x5y]:&4+frac122=10\
              &[xyz]:& 4+frac363+frac246=20\
              & textall:&48
              endalign
              $$



              Explanation:



              $4$ stays for possible combinations with $xy$ or $xyz$ being equal.



              $12=4cdot3$ stays for possible combinations with distinct $xy$. It should be divided by $2=frac2!1!1!$ to avoid double counting.



              $36=binom31 4cdot3 $ stays for possible combinations with two of $xyz$ being equal and distinct from the third one. It should be divided by $3=frac3!1!2!$ to avoid double counting.



              $24=4cdot3cdot2 $ stays for possible combinations with all three of $xyz$ being distinct. It should be divided by $6=frac3!1!1!1!$ to avoid double counting.






              share|cite|improve this answer











              $endgroup$

















                1












                $begingroup$

                Let list all possible combinations together with their cardinality ($xyz$ mean numbers less than or equal to 4):
                $$beginalign
                &[x56]:&4\
                &[xy6]:&4+frac122=10\
                &[x55]:&4\
                &[xy5]+[x5y]:&4+frac122=10\
                &[xyz]:& 4+frac363+frac246=20\
                & textall:&48
                endalign
                $$



                Explanation:



                $4$ stays for possible combinations with $xy$ or $xyz$ being equal.



                $12=4cdot3$ stays for possible combinations with distinct $xy$. It should be divided by $2=frac2!1!1!$ to avoid double counting.



                $36=binom31 4cdot3 $ stays for possible combinations with two of $xyz$ being equal and distinct from the third one. It should be divided by $3=frac3!1!2!$ to avoid double counting.



                $24=4cdot3cdot2 $ stays for possible combinations with all three of $xyz$ being distinct. It should be divided by $6=frac3!1!1!1!$ to avoid double counting.






                share|cite|improve this answer











                $endgroup$















                  1












                  1








                  1





                  $begingroup$

                  Let list all possible combinations together with their cardinality ($xyz$ mean numbers less than or equal to 4):
                  $$beginalign
                  &[x56]:&4\
                  &[xy6]:&4+frac122=10\
                  &[x55]:&4\
                  &[xy5]+[x5y]:&4+frac122=10\
                  &[xyz]:& 4+frac363+frac246=20\
                  & textall:&48
                  endalign
                  $$



                  Explanation:



                  $4$ stays for possible combinations with $xy$ or $xyz$ being equal.



                  $12=4cdot3$ stays for possible combinations with distinct $xy$. It should be divided by $2=frac2!1!1!$ to avoid double counting.



                  $36=binom31 4cdot3 $ stays for possible combinations with two of $xyz$ being equal and distinct from the third one. It should be divided by $3=frac3!1!2!$ to avoid double counting.



                  $24=4cdot3cdot2 $ stays for possible combinations with all three of $xyz$ being distinct. It should be divided by $6=frac3!1!1!1!$ to avoid double counting.






                  share|cite|improve this answer











                  $endgroup$



                  Let list all possible combinations together with their cardinality ($xyz$ mean numbers less than or equal to 4):
                  $$beginalign
                  &[x56]:&4\
                  &[xy6]:&4+frac122=10\
                  &[x55]:&4\
                  &[xy5]+[x5y]:&4+frac122=10\
                  &[xyz]:& 4+frac363+frac246=20\
                  & textall:&48
                  endalign
                  $$



                  Explanation:



                  $4$ stays for possible combinations with $xy$ or $xyz$ being equal.



                  $12=4cdot3$ stays for possible combinations with distinct $xy$. It should be divided by $2=frac2!1!1!$ to avoid double counting.



                  $36=binom31 4cdot3 $ stays for possible combinations with two of $xyz$ being equal and distinct from the third one. It should be divided by $3=frac3!1!2!$ to avoid double counting.



                  $24=4cdot3cdot2 $ stays for possible combinations with all three of $xyz$ being distinct. It should be divided by $6=frac3!1!1!1!$ to avoid double counting.







                  share|cite|improve this answer














                  share|cite|improve this answer



                  share|cite|improve this answer








                  edited Mar 16 at 11:37

























                  answered Mar 16 at 10:45









                  useruser

                  5,81311031




                  5,81311031



























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