A march goes through the streets from the School (S) to the Community Centre (CC).

Q: A march goes through the streets from the School (S) to the Community Centre (CC). One of the streets is closed. If the march can only travel East or South, what is the number of different possible ways to get to the Community Centre? [10 per cent]
A. 16
B. 19
C. 20
D. 22

Answer: B

There are 19 possible ways: