SIX – 9 (IX)= S
9 (IX) – 10 (X) = I
40 (XL) – 50 (L)= X
Two people are traveling across the country. They both leave from the same city, and both have the same final destination. They also both leave at the exact same day and time. One travels by bus, and the other by aircraft. However, the bus passenger arrives before the passenger on the aircraft.
How is this possible?
Using all the numbers from 1 to 10, put them into pairs, so that one pair adds to 6, another pair to 7, a third pair to 9, a fourth pair to 16 and the final pair add to 17.
Map of our town is represented in the map below:
If home is represented by the blue house and the store is represented by a red store, how many possible routes can we take to get from our house to the store?