The average weight of A and B is 45 kg,B and C is 40 kg,and A and C is 55 kg. Then find the weight of B.
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50 kg. is our required answer.
Manikantan1:
Can you tell me the method
yes
then please tell me
A+B =90;. B+C=80:;. C+A=110. Adiing all,. 2(A+B+C) = 280;. A+B+C =140;. putting value of A+C we get value of B ie 50
Thanks
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