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Grade 12th PassMagical Mathematics[Interesting Approach]

A die is rolled 3 times . The probability that the sum of the faces is 9 is:
OPTIONS:
  • 5/81
  • 5/108
  • 25/216
  • 5/54

Profile image of ASh
8 Years agoGrade 12th Pass
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1 Answer

Profile image of Sandeep Bhamoo
8 Years ago
There are total 25 cases in which the net sum is 9. And total possible cases are 6³= 216 hence, The probability that the sum of the faces is 9 is:25/216. And if you want to know how to make cases ,do approve thi reply so that i may help you further