Direction: Read the following information carefully and answer the questions that follow:

Seven subjects – Physics, Chemistry, Mathematics, Biology, English, Accounts and Economics were taught on one day of the week not necessarily in the same order starting on Monday and ending on Sunday. Only one subject was taught on each day. Accounts was taught on Wednesday. Economics was taught on the fourth day after Physics was taught. Mathematics was taught before Thursday but not on Monday. English and Biology were not taught on Saturday but English was taught before Saturday.