Direction: Study the information given below carefully and answer the questions that follow.
Seven persons Zorawar, Ayesha, Byomkesh, Rahul, Prem, Raj and Rancho study in seven different universities viz. Oxford, Columbia, Yale, John Hopkins, Princeton, Cambridge and Stanford but not necessarily in the same order. Each person has a specialization in one subject from Theatre, Economics, Sustainable Development, Ecology, Environment Studies, Humanities and Medicine but not necessarily in the same order.
Byomkesh studies at John Hopkins University. Rancho studies either at Columbia University or Stanford University. Rahul studies Humanities at Cambridge University. The person who attends Oxford University study Theatre. The person who studies Sustainable development goes to Columbia University. The person who studies at Yale University does not study Medicine. Prem attends Yale University. Raj studies Ecology in either Princeton or Yale University. Ayesha studies Environment studies.
Which of the following statement(s) is/are true?
i) Zorawar goes to Princeton University.
ii) Rahul goes to Oxford University.
iii) Rancho studies Sustainable Development.
iv) Ayesha studies Environment Studies