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CGGO Q8

0. The people of the planet Mars designed a scale for measuring the temperature in which water freezes at 100 units and boils at 250 units. The people of Jupiter designed a scale in which water freezes at 75 units and boils at 300 units. A temperature of 200 units in Mars will measure ___ in Jupiter.

  • Option : B
  • Explanation :
    Translating so that both the scales start at the origin, and scaling so that the divisions in both scales coincide, we get the formula (M-100) x 225/150 = J-75, where M refers to the scale in Mars and J, to the scale in Jupiter.
    Putting M = 200,
    we get J = 225.
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