Distances question 8 of 10


You want to be able to leave the room quickly so you tie a rope to a heavy table and throw the end out of a window.
The table is 2╜ metres from the window; the knot takes up 100 centimetres; the window is 7 metres above the ground; and the rope is 13╜ metres long.
What is the distance between the end of the rope and the ground?
 
 1.5 metres   2.5 metres   3 metres