The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 41 kg, then the weight of B is:
Choose the correct choice from the following options
A) 27 kg B) 20 kg C) 26 kg D) 31 kg E) 35 kg
let d sum of a, b, c is 3*45= 
<gadget id="calculator">3*45</gadget>
<output>135</output>
135   and sum of a and b s 2*40= 
<gadget id="calculator">2*40</gadget>
<output>80</output>
80   sum of b and c is 2*41= 
<gadget id="calculator">2*41</gadget>
<output>82</output>
82   hence 80+82-135= 
<gadget id="calculator">80+82-135</gadget>
<output>27</output>
27   ans=27   27 kgNSWER:27 kg
<result>A</result>
The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 41 kg, then the weight of B is: