A vector A→ points vertically upward and B→ points towards north. The vector product  A→×B→ is

Direction of vector A is along z-axis∴ A→=ak^Direction of vector B is towards north∴ B→=bj^ Now     A→×B→=ak^×bj^=ab(−i^)∴ The direction is A→×B→ is along west.