Question 3
How many paths go from A to B without passing through C? At each move, follow one grid edge upwards or to the right. Count paths on the four-column, three-row grid shown.
Source discrepancy: the printed answer key conflicts with the displayed grid. Solve from the complete grid and the stated movement rule; the discrepancy is explained after answering.
Source discrepancy: the printed answer key conflicts with the displayed grid. Solve from the complete grid and the stated movement rule; the discrepancy is explained after answering.