JEE Main & Advanced
Mathematics
Triangles & Properties of Triangle
Question Bank
Numerical Value Type Questions - Height and Distance
question_answer
An observer on the top of a tree, finds, the angle of depression of a car moving towards the tree to be \[30{}^\circ .\] After 3 minutes this angle becomes \[60{}^\circ .\] After how much more time, the car will reach the tree.