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Q.

Find the average weight of 16 boys in a class of 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


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a

47.55kgs

b

48 kgs

c

48.55 kgs

d

49.25 kgs 

answer is C.

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Detailed Solution

Concept-The average weight of 16 boys is  50.25 kg and the average weight of 8 boys is  45.15 kg. Now you can find the total weight of the 16 boys and her 8 boys. Then  add up these weights to get the total weight of all the turnips. We need to average the weights of all the boys in the class, so divide the total weight by the total number of boys. This will be 24.
Required average Question ImageQuestion ImageQuestion ImageQuestion Image Hence, the correct option is 3.
 
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