Q. The angles of depression of two ships from the top of a light house are 45° and 30° towards east. If the ships are 100 m apart, the height of the light house is

• A. 50/(√3+1) m
• B. 50/(√3-1)
• C. 50(√3-1) m
• D. 50(√3+1) m

Correct Answer: C