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7th Class Mathematics Data Handling Question Bank Data Handling

  • question_answer
    Soni has digit cards 1, 4 and 7. She makes 2-digit number using each card only once. The probability that a 2-digit number chosen at random is divisible by 2 Is:

    A)  \[\frac{1}{3}\]                                   

    B)  \[\frac{2}{3}\]                       

    C)  0                    

    D)         \[\frac{1}{2}\]

    Correct Answer: A

    Solution :

    Two digit numbers using the digits 1, 4 and 7 are: 14, 17, 41, 71, 47 and 74. Total number of two digit numbers = 6 Number of two digit even numbers = 2 Required probability \[=\frac{2}{6}=\frac{1}{3}\]


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