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Maths Puzzle
If three unbised dice are rolled, then what is the probability that the sum of the numbers showing up is divisible by 9 ?
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- total number of ways n(s)=6^3=216
sum must be divisible by 9 so the possible cases must be(1,2,6),(2,2,5),(3,1,5)....................... we will get 26 cases so the probability is 26/216 = 13/108 - 10 years agoHelpfull: Yes(1) No(0)
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