Directions: Study the following information carefully to answer the given questions:

In a bookstore, eight boxes are kept in the form of a stack. The boxes are numbered in ascending order from 1 to 8 such that the topmost box is numbered as 1 while the bottom most box is numbered as 8. Each box contains different subject books among – Biology, Chemistry, Economics, Geography, Hindi, History, Mathematics and Physics.

The box of Chemistry is kept above the box of Biology but not immediately above. The box of History is not kept at the top. Only two boxes are between the box of Biology and the box of Economics. Only two boxes between the box of History and the box of Economics. The box of Mathematics is kept immediately above the box of Geography and both of the boxes are kept above the box of Economics. The box of Biology is kept below the box of Economics. Only three boxes are between the box of Economics and the box of Physics, which is either at the top or bottom