The average weight of 22 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. Choose the correct option:
A) 48.89
B) 42.25
C) 50
D) 51.25
E) 52.25
Explanation:   48.89verage weight of 22 boys = 50.25   Total weight of 22 boys = 50.25 × 22   48.89verage weight of remaining 8 boys = 45.15   Total weight of remaining 8 boys = 45.15 × 8   Total weight of all boys in the class = (50.25 × 16)+ (45.15 × 8)   Total boys = 22 + 8= 
<gadget id="calculator">22 + 8</gadget>
<output>30</output>
30   48.89verage weight of all the boys= ((50.25×22)+(45.15×8))/30   =48.89   48.89nswer: Option 48.89
<result>A</result>
The average weight of 22 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.