state gov Haryana Police Constable Mock Test 2024 Quantitative Aptitude Trigonometry Heights and Distances
As observed from the of a lighthouse, 120√3 m above the sea level, the angle of depression of a ship sailing towards it changes from 30° to 60°. The distance travelled by ship during the period of observation is:
1
180√3 m
2
180 m
3
240 m
4
240√3 m
5
Not Attempted