A boy swims 200m in still water and then returnsback to the point of start in 10 minFinf the speed of his swim in m/s and Km/hr

Q. A boy swims $200$m in still water and then returns back to the point of start in total $10$ minutes.Find the speed of his swim in metres per second.

Q. A swimmer swims in still water at a speed of $5km/hr$. He enters a $200m$ wide river, having a river flow speed of $4km/hr$. He proceeds to swim at an angle of ${127}^{\circ }$ with the river flow direction. He reaches directly opposite to the starting point and then swims with the river flow to cover a distance of $200m$. The total time taken by the swimmer to complete his journey is

Q. A swimmer swims in still water at a speed of $5km/hr$. He enters a $200m$ wide river, having a river flow speed of $4km/hr$. He proceeds to swim at an angle of ${127}^{\circ }$ with the river flow direction. He reaches directly opposite to the starting point and then swims with the river flow to cover a distance of $200m$. The total time taken by the swimmer to complete his journey is

Q. A swimming pool is 50 meters long . A boy can across the length and then return to his starting position in 5 minutes . What is the his swimming spend in km/h?