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 ? Statements :nI. Mathematics period ended at 10.00 a.m., which was preceded by Biology.nII. Physics was scheduled in the last period.nIII. Mathematics period was immediately followed by Chemistry.

Question : Four subjects - Physics, Chemistry, Mathematics and Biology

1.	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 ? Statements :nI. Mathematics period ended at 10.00 a.m., which was preceded by Biology.nII. Physics was scheduled in the last period.nIII. Mathematics period was immediately followed by Chemistry.
A.	Only I
B.	Either I only or II only
C.	Only II
D.	Only I and either II or III
Answer» B. Either I only or II only