Question 13
The circles are villages and the arrows are directed roads. Alex travels from home through villages to the museum or forest. Numbers show how often he used each road; some are missing because he no longer remembers.
He always follows the arrows. The diagram shows three visits to the museum. What remainder is obtained when the number of forest visits is divided by 4?
He always follows the arrows. The diagram shows three visits to the museum. What remainder is obtained when the number of forest visits is divided by 4?