___ are a mountain range that runs almost parallel to the western coast of the Indian peninsula, and is one of the eight "hottest hotspots" of biological diversity in the world sometimes called the "Great Escarpment of India".
The weights of 4 boxes are 20, 40, 80 and 90 kilograms. Which of the following cannot be the total weight, in kilograms, of any combination of these boxes and in a combination a box can be used only once?