11th Class
Mathematics
Sample Paper
Mathematics Olympiad - Sample Paper-12
question_answer
A light house, facing north, sends out a fan shaped beam of light extending from north-east to north-west. An observer on a steamer, sailing due west at a uniform speed, first sees the light when he is 5 km away from the light house and continues to see it for \[30\sqrt{2}\] minutes. Speed of the steamer is _____.