10th Class Mathematics Probability Question Bank Probability

  • question_answer
    In a horse race, there were 18 horses numbered 1 ? 18. The probability that horse 1 would win is 1/6, that horse 2 would win is 1/10 and that horse 3 would win is 1/8. Assuming that a tie is impossible, find the chance that one of the three will win.

    A)  \[\frac{47}{120}\]        

    B)  \[\frac{119}{120}\]

    C)  \[\frac{11}{129}\]                                

    D)  \[\frac{1}{5}\]

    Correct Answer: A

    Solution :

    (a): \[1/6+1/10+1/8=47/120\]                


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