10th Class Mathematics Probability Question Bank Probability

  • question_answer
    What is the chance that a leap year, selected at random, will contains 53 Sundays?

    A)  \[\frac{2}{7}\]             

    B)  \[\frac{3}{7}\]

    C)  \[\frac{1}{7}\]                         

    D)  \[\frac{5}{7}\] \[=\frac{164}{191}\]

    Correct Answer: A

    Solution :

    (a): A leap year has 366 days ? which means 52 completed week?s and 2 more days. The last two days can be (Sunday, Monday) or (Monday, Tuesday) or........ (Saturday, Sunday). In 2 cases out of 7, we have a 53rd  Sunday. Thus, 2/7 is the required answer. 


You need to login to perform this action.
You will be redirected in 3 sec spinner