A man is watching from the top of a tower a boat speeding away from the tower The boat makes an angl...........

Quantitative Aptitude ( CCS) Height and Distance

A man is watching from the top of a tower a boat speeding away from the tower. The boat makes an angle of depression of 45° with the man's eye when at a distance of 100 metres from the tower. After 10 seconds, the angle of depression becomes 30°. What is the approximate speed of the boat, assuming that it is running in still water?

26.28 km/hr

32.42 km/hr

24.22 km/hr

31.25 km/hr

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