KöMaL 2006 K85
Annie and Bennie were playing with a chair. When Annie was standing on the chair and Bennie on the floor, the top of Annie's head was 30 cm higher than Bennie's. When they exchanged places, Bennie standing on the chair and Annie on the floor, the top of Bennie's head was half a metre higher than Annie's. How tall is the chair?
Official text KöMaL. Quoted with source.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
Similar problems
These problems have the most words in common with this statement.