Lessons

General Aptitude
7.1 Average - General Questions

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Q.

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.

View Answer

Correct choice: C

Explanation:

Required average
= (50.25 x 16 + 45.15 x 8)/(16 + 8)
 
 
= (804 + 361.20)/24
 
 
= 1165.20/
24
  = 48.55
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