The Average Weight Of A, B And C Is 45 Kg. If The Average Weight Of A And B Is 40 Kg And That Of B And C Is 43 Kg, Then The Weight Of B Is:

Question: The Average Weight Of A, B And C Is 45 Kg. If The Average Weight Of A And B Is 40 Kg And That Of B And C Is 43 Kg, Then The Weight Of B Is:
a. 12 kg
b. 15 kg
c. 25 kg
d. 31 kg

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