2. Questions Bank
  3. JEE Main & Advanced
  4. Mathematics
  5. Statistics

JEE Main & Advanced Mathematics Statistics Question Bank Mean

  • question_answer
    The mean weight per student in a group of seven students is 55 kg If the individual weights of 6 students are 52, 58, 55, 53, 56 and 54; then weights of the seventh student is          [Pb. CET 2002]

    A)                 55kg      

    B)                 60kg

    C)             57kg      

    D)                 50kg

    Correct Answer: C

    Solution :

               Total weight of 7 students is =55× 7 = 385 kg       Sum of weight of 6 students                       = 52 + 58 + 55 + 53 + 56 + 54 = 328 kg             \[\therefore \] Weight of seventh student = 385 ? 328 = 57kg.


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