Read the information given and answer the questions based on it.

Seven boys namely Prashant, Rajesh, Salman, Tarun, Umar, Varun and Wasim go for tuitions to study different subjects namely Mathematics, Physics, Sociology, Chemistry, Biology, Economics and Accounts (not necessarily in the same order). Each student studies only one subject and each subject’s tuition is only once a week. Two subjects cannot be taught in the same day. Also-
I. Prashant studies chemistry and goes on Sunday.
II. Umar goes for tuition on Friday.
III. The student who studies biology goes on Thursday
IV. Rajesh goes on Monday
V. Tarun goes on Wednesday but does not study Sociology
VI. Varun studies mathematics
VII. The student who studies economics goes on Tuesday. Wasim and Tarun do not study economics