The average of three numbers is 7. If 2 of the numbers are zero, then what if the 3rd number?

গণিত Statistics and Average 07 Oct, 2020

প্রশ্ন The average of three numbers is 7. If 2 of the numbers are zero, then what if the 3rd number?

  • ক.
    15
  • খ.
    17
  • গ.
    19
  • ঘ.
    21

সঠিক উত্তর

21

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