In a city, all the roads are either parallel to the East-West or North-South direction. Every 1/8 th of a kilometre from each road there is a crossing and the square area covered between four crossings is called a block. Staring from a crossing. if I travel four blocks north. take left and then travel three blocks west. I reach another crossing. What is the distance between these two crossings ?
1. 5 km
2. 7 km
3. 7/8 km
4. 5/8 km
