CDS Model Paper 3 Mathematics

Question : 59 of 100

Marks: +1, -0

The ratio of height of a room to its semi-perimeter is 2:5. It costs ₹ 260 to paper the walls of the room with paper 50cm wide at ₹2 per metre alllowing an area of 15 sq. m for doors and windows. The height of the room is: