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 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

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

Answer: Option C

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

Solution(By ExamCraze Team)

$$eqalign{ & therefore {text{Required}},{text{average}} cr & = {frac{{50.25 times 16 + 45.15 times 8}}{{16 + 8}}} cr & = {frac{{804 + 361.20}}{{24}}} cr & = frac{{1165.20}}{{24}} cr & = 48.55 {text{ kg.}} cr} $$

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