One day, Birju, who stays at Ramnagar, travels by bus to Laxmanpur while his brother Lakha takes a bus from Ramnagar to Sitapur. The bus to Laxmanpur takes 3 hours for the journey and the bus to Sitapur takes 2 hours. Which bus is faster and by how much?

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters