For a certain student the average of five test scores is 83. If four of the scores are 81, 79, 85 and 90. What is the score of the fifth test?

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Ratio, Proportion and Partnership

প্রশ্নঃ For a certain student the average of five test scores is 83. If four of the scores are 81, 79, 85 and 90. What is the score of the fifth test?

  • ক. 83
  • খ. 82
  • গ. 81
  • ঘ. 80

সঠিক উত্তরঃ

80
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Ratio, Proportion and Partnership