# CAT Quantitative Aptitude Questions | Geometry Questions for CAT - Trigonometry

###### CAT Questions | CAT Trigonometry Questions |Heights and Distance
CAT Questions

The question is from CAT Geometry - Trigonometry. This is about Heights and Distances. Our task is to find out the time taken to reach the tower by comparing the given details. Trigonometry is an important topic for CAT Preparation for the CAT Exam. Trigonometric ideas can be completely opposite, as in, some questions test lot of common sense with direction, heights and distances, while others could test you on identities. CAT exam could test one on both these fronts. Make sure you master both in CAT - Trigonometry.

Question 9: A man standing on top of a tower sees a car coming towards the tower. If it takes 20 minutes for the angle of depression to change from 30° to 60°, what is the time remaining for the car to reach the tower?

1. 20√3 minutes
2. 10 minutes
3. 10√3 minutes
4. 5 minutes