The average weight of A, B and C is 44 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is:	Choose the correct choice from the following options:	A) 17 kg	B) 28 kg	C) 26 kg	D) 31 kg	E) 35 kg
let d sum of a, b, c is 3*44= 
<gadget id="calculator">3*44</gadget>
<output>132</output>
132   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 *43= 
<gadget id="calculator">2 *43</gadget>
<output>86</output>
86   hence 80+86-132=28   ans=28   ANSWER:28 kg
<result>B</result>
The average weight of A, B and C is 44 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is: