Hi,

A contains all the natural nos which are prime upto 100

  2      3      5      7     11     13     17     19     23     29 

 31     37     41     43     47     53     59     61     67     71 

 73     79     83     89     97 

Set C contains all the non prime odd natural nos upto 100.

 9,15,21,25,27,33,35,39,45,49,51,55,57,63,65,69,75,77,81,85,87,91,93,95,99   

If the average of Set A is 1060/25= 42.4, then the average of Set C is? 42.4

Qb) The average of Set A and SetC Combined is? 42.4 

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