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4th Class Mathematics Decimals Question Bank Decimal

  • question_answer
    Professor Rogers measured the composition of gases in a sample. The sample contained 0.6 liters of oxygen, 0.7 liters of nitrogen, and 0.1 liters of carbon dioxide. What was the total volume of Professor Rogers?s sample?

    A) 1.4 liters

    B) 1.3 liters       

    C) 0.14 liters                    

    D) 0.104 liters

    Correct Answer: A

    Solution :

        The total volume of Professor Rogers's sample= Quantity of oxygen + nitrogen + carbon dioxide = 0.6 + 0.7 + 0.1 = 1.4 litres.                       


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