native_script_text: నిశ్చల నీటిలో పడవ speed of a motor boat in still water is 45 km per hour. If the motor boat travels 80 km along the stream in 1 hour 20 minutes
romanized_text: Nischala neetilo padava speed of a motor boat in still water is 45 km per hour. If the motor boat travels 80 km along the stream in 1 hour 20 minutes