If the average temperature of first four days of the week…

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If the average temperature of first four days of the week was 39°C and the average temperature of the week was 40°C, then what was the average temperature of the last three days of the week?

  1. A. 39.9°C
  2. B. 40.9°C
  3. C. 41.3°C
  4. D. 42.1°C

Answer: Option C

Here is complete explanation of If the average temperature of first four days of the week….

Solution(By ExamCraze Team)

Required average
$$eqalign{ & = {left[ {frac{{left( {40 times 7} right) - left( {39 times 4} right)}}{3}} right]^ circ }{text{C}} cr & = {left( {frac{{124}}{3}} right)^ circ }{text{C}} cr & = {41.3^ circ }{text{C}} cr} $$

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