engineering recuitment BHEL Engineer Trainee Mock Test 2025 Quantitative Aptitude Trigonometry Heights and Distances
A man on the top of a tower, standing on the sea-shore, finds that a boat coming towards him takes 10 minutes for the angle of depression to change from 30° to 60°. How soon the boat reach the sea-shore?
1
5 minutes
2
7 minutes
3
10 minutes
4
15 minutes