2. Sample Papers
  3. 12th Class
  4. Mathematics

12th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-10

  • question_answer
        A fair coin is tossed until a head or five tails occurs. If X denotes the number of tosses of the coin, then find the mean of X.

    A)  \[\frac{13}{8}\]                        

    B)  \[\frac{25}{16}\]

    C)  \[\frac{31}{16}\]          

    D)  \[\frac{9}{16}\]

    E)  None of these

    Correct Answer: C

    Solution :

    Not Available                


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