XAT 2020Quantitative AbilityGeometryMEDIUM+1 / −0.25
Two lighthouses, located at points A and B on the earth, are 60 feet and 40 feet tall respectively. Each lighthouse is perfectly vertical and the land connecting A and B is perfectly flat. The topmost point of the lighthouse at A is A’ and of the lighthouse at B is B’. Draw line segments A’B and B’A, and let them intersect at point C’. Drop a perpendicular from C’ to touch the earth at point C. What is the length of CC’ in feet?
Select an option to reveal the answer and explanation
Practice the full paper
Attempt XAT 2020 Question Paper with real exam interface and instant grading.