sentence 1: How do I build my profile for top B-schools?
 sentence 2: How do I build my profile for Harvard, Wharton, INSEAD etc.? sentence 1: How can I clear the bank exam after 12th?
 sentence 2: How can I clear bank exams after my graduation? Which books to refer? sentence 1: How can one reverse the rotation of a AC motor?
 sentence 2: Can a brushed AC motor run on DC?
same meaning
same meaning
not same meaning