Cells in column B in the active worksheet would be bolded and filled with yellow colour if they are higher than 10.

Cells in column B in the worksheet assigned to ws would be bolded and filled with yellow colour if the cell value is a multiple of 10.

Cells in row 2 in the worksheet assigned to ws would be bolded and filled with yellow color if they are non-empty. 

Cells in row 1 in the active worksheet would be bolded and the text Font would have yellow colour if the cell value is divisible by 10.