Question

Four subjects — Physics, Chemistry, Mathematics and Biology were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the Chemistry period scheduled ? I. Mathematics period ended at 10.00 a.m. which was preceded by Biology. II. Physics was scheduled in the last period. III. Mathematics period was immediately followed by Chemistry.
A) Only I B) Only I or Only II C) Only II D) I and II together or I and III together

Answer 1

Answer:

sorry very long question I am not able to solve this