Time Series Analysis and Forecasting
Casual Mode - Take your time!
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Multiple Choice
The average weight of $A,B,C$ is $45kg$ . If the average weight of $A$ and $B$ be $40kg$ and that of $B$ and $C$ be $43kg$, find the weight of $B$ ?
- $21kg$
- $20kg$
- $38kg$
- $31kg$