Multiple Choice Questions on If all liquids are mixed together then what will be the resultant density of mixture in kg litre ........ for Civil Services Exam (CSAT) Preparation

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Multiple Choice Questions

If all liquids are mixed together then what will be the resultant density of mixture in kg litre ........

Math and Mental Ability Mixed Chart
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    Direction : Study the line chart and pie chart carefully and answer the questions given beside.
    Below is given a line chart that shows viscosity and density of some liquids. A pie chart is also given that shows the quantity of each of those liquids available

    If all liquids are mixed together, then what will be the resultant density of mixture?(in kg/litre)

    2.671

    Correct Answer

    2.81

    Incorrect Answer

    2.973

    Incorrect Answer

    3.043

    Incorrect Answer

    3.117

    Incorrect Answer
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    Explanation:

    Weight = Volume × Density
     

    ⇒ Weight of liquid P = 200 × 2.4 kg = 480 kg
     
    ⇒ Weight of liquid S = 300 × 2.8 kg = 840 kg
     
    ⇒ Weight of liquid Q = 240 × 4.4 kg = 1056 kg
     
    ⇒ Weight of liquid R = 150 × 1.8 kg = 270 kg
     
    Total weight = (480 + 840 + 1056 + 270) kg = 2646 kg
     
    Total volume = (200 + 240 + 150 + 300) litres = 890 litres
     
     Resultant density =weight/volume=26/890=2.973kg/lt
    Hence, option (C) is correct.

    By: Munesh Kumari
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