The average weight of 16 boys in a class is 50…

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The average weight of 16 boys in a class is 50.25 kgs and that of the remaining 8 boys is 45.15 kgs. Find the average weight of all the boys in the class.

  1. A. 47.55 kgs
  2. B. 48 kgs
  3. C. 48.55 kgs
  4. D. 49.25 kgs

Answer: Option C

Here is complete explanation of The average weight of 16 boys in a class is 50….

Solution(By ExamCraze Team)

Required mean
$$eqalign{ & = left( {frac{{50.25 times 16 + 45.15 times 8}}{{16 + 8}}} right) cr & = left( {frac{{804 + 361.20}}{{24}}} right) cr & = frac{{1165.20}}{{24}} cr & = 48.55 cr} $$

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