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Arithmetic mean

Quiz by Mahima Nambiar

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6 questions
Show answers
  • Q1
    What is the arithmetic mean of the numbers 5, 10, 15, and 20?
    17.5
    12.5
    15
    10
    30s
  • Q2
    The arithmetic mean of three numbers is 12. If two of the numbers are 8 and 18, what is the value of the third number?
    10
    14
    16
    9
    30s
  • Q3
    The arithmetic mean of four numbers is 6. If three of the numbers are 4, 8, and 10, what is the value of the fourth number?
    7
    9
    5
    2
    30s
  • Q4
    The arithmetic mean of five numbers is 18. If four of the numbers are 20, 15, 10, and 25, what is the value of the fifth number?
    12
    17
    22
    30
    30s
  • Q5
    The arithmetic mean of six numbers is 9. If five of the numbers are 5, 8, 12, 15, and 18, what is the value of the sixth number?
    9
    3
    6
    10
    30s
  • Q6
    The arithmetic mean of a set of numbers is 25. If two of the numbers in the set are 30 and 20, what is the value of the third number?
    30
    20
    25
    27
    30s

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