spatial reasoning Questions

In an open net of a cube, a vertical strip consists of four faces from top to bottom ordered as: $@$, $\&$, $\%$, and $B$. Two additional side faces, $N$ and $\#$, are attached to the left and right sides of the $\%$ face, respectively. When this net is folded into a cube, which symbol will be opposite to '$\&$ '?

$P$, $Q$ and $R$ live in the same city. $R$ 's home is $21\text{ km}$ East of $Q$ 's home and $Q$ 's home is $20\text{ km}$ South of $P$ 's home. In which direction is $P$ 's home located with respect to $R$ 's home?

Consider a standard geometric square with both of its internal major diagonals drawn completely from corner to corner. Count the total number of independent triangles formed inside this configuration.