2. Sample Papers
  3. 9th Class
  4. Mathematics

9th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-16

  • question_answer
    If the mean of 6 observations \[x,\]\[x+3,\,\]\[x+6,\]\[x+9,\]\[x+12,\]\[x+15\] is 18. Find the mean of first 4 observations.

    A)  45                               

    B)  36

    C)  25                               

    D)  15

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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