Average


  1. The average of 8, 9, 12, 13, 15, 9 is
    1. 11
    2. 6
    3. 16
    4. 18

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    Average = (8 + 9 + 12 + 13 + 15 + 9)/6

    Correct Option: A

    Average = (8 + 9 + 12 + 13 + 15 + 9)/6
    = 66 / 6
    = 11


  1. A has 8 pencils, B has 10 pencils and C has 15 pencils, then the average number of pencils with them are
    1. 8
    2. 10
    3. 15
    4. lies between 9 and 15

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    Average number of pencils
    = ( 8 + 10 + 15 ) / 3

    Correct Option: D

    Average number of pencils
    = ( 8 + 10 + 15 ) / 3
    =11



  1. The average age of 7 member of Patel's family is 25 year. The average age of the same family 3 year ago was
    1. 21 year
    2. 22 year
    3. 25 year
    4. none of these

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    3 year ago average of family = Present average age of family -3

    Correct Option: B

    Present average age of family
    = 25 year
    3 year ago average of family
    = 25 - 3 = 22 years


  1. The average of 6 number 13, 17, 25, 11, 26, 10 is
    1. 20
    2. 17
    3. 15
    4. 25

  1. View Hint View Answer Discuss In Forum

    Average = sum of 6 numbers / 6

    Correct Option: B

    Average = sum of 6 numbers / 6
    = ( 13 + 17 + 25 + 11 + 26 + 10 ) / 6
    = 102 / 6
    = 17



  1. The salary of A, B, C, D, E is Rs. 8000, Rs. 5000, Rs. 11000, Rs. 7000, Rs. 9000 per month respectively, then the average salary of A, B, C, D, and E per month is
    1. Rs. 7000
    2. Rs. 8000
    3. Rs. 8500
    4. Rs. 9000

  1. View Hint View Answer Discuss In Forum

    Average salary
    = 8000 + 5000 + 11000 + 7000 + 9000 / 5

    Correct Option: B

    Average salary
    = 8000 + 5000 + 11000 + 7000 + 9000 / 5
    = Rs. 8000