9th Class Mathematics blank Question Bank Algebra and Co-ordinate Geometry

  • question_answer
    Directions: The temperature of a liquid can be measured in kelvin units as\[\mathbf{x{}^\circ K}\] or in Fahrenheit units Units as\[\mathbf{y{}^\circ F}\], the relation between the two system of measurement of temperature is given by the linear equation\[\mathbf{y-32=}\frac{\mathbf{9}}{\mathbf{2}}\mathbf{(x-273)}\]. Based on this information, answer the following questions:
    If at a value, the temperature in Fahrenheit     equals to temperature in kelvin then this value is ________

    A) 374.25 

    B)                                            574.25

    C) 385                  

    D)                                            485

    E) None of these    

    Correct Answer: B


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