Mathematics · Logical Reasoning

Read the given information carefully and answer the question: Five coaching classes - P, Q, R, S, and T, are located on five different floors numbered 1 to 5 (where 1 is the bottom floor and 5 is the top floor), but not necessarily in that order. Each coaching class teaches only one subject among Physics, Chemistry, Mathematics, Biology, and English. The following details are known: - Biology is taught in coaching class S, while English is not taught in coaching class Q. - Coaching class R is on the third floor, and Chemistry is taught in coaching class P. - Physics is taught in the coaching class located on the fifth floor. - Neither English nor Physics is taught in the coaching class located on the third floor. On which floor is Mathematics taught?