A man on the top of a tower, standing on the seashore finds that a boat coming towards him takes 20 min for the angle of depression to change from 30° to 45°. Find the time taken by the boat to reach the shore from this position.

Options
- 7.2 min
- 7.4 min
- 7.3 min
- 7.9 min

CORRECT ANSWER : 7.3 min

Write your comments


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)


Advertisement
 
▲