2. Sample Papers
  3. 11th Class
  4. Mathematics

11th Class Mathematics Sample Paper Maths Olympiad Model Test Paper-12

  • question_answer
    The variance of first n even natural numbers is ________.

    A)  \[\frac{{{n}^{2}}-1}{2}\]                   

    B)  \[\frac{{{n}^{2}}-1}{3}\]

    C)  \[\frac{{{n}^{2}}-1}{4}\]                   

    D)  \[\frac{{{n}^{2}}-1}{6}\]

    E)  None of these                     

    Correct Answer: B

    Solution :

     Not Available


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