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 60° with the man's eye when at a distance of 60 metres from the tower. After 9 seconds, the angle of depression becomes 30°. The speed of the boat, assuming that it is running in still water, will be:
Held on 19 May 2025 · Verified 13 Jul 2026.
27100 kmph
72 kmph
48 kmph
12 kmph
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Work through every CUET UG Geometry PYQ, year by year.