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Maths Puzzle
There are 10 prizes and 25 blanks in a lottery. If John has taken a lottery, what is the probability for him to get a prize?
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- 10C1/35C1 =2/7
- 11 years agoHelpfull: Yes(2) No(0)
- probability of getting prize =10C1/35C1=10/35=2/7
- 11 years agoHelpfull: Yes(1) No(0)
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