Study the following information and answer the questions that follow:
The following table shows data about four exams and the number of vacancies in each exam. Each exam has three stages.
Stage 1: Preliminary Exam
Stage 2: Mains Exam
Stage 3: Personal Interview
The table shows the data about the number of candidates who have appeared for stage 1, stage 2 and stage 3 for various exams. Candidates who pass stage 1 of any exam will appear for the stage 2 of that exam and the candidates who further pass stage 2 of the exam will appear for stage 3 of the exam. After stage 3, the list of students selected for the vacancy will be published containing as many students as the number of vacancy. For example if there are 1,000 vacancies in any exam the number of students who will be selected after stage 3 of that exam will also be 1,000.
Assuming that all the students who are selected for any stage appear in the exam and no student in absent in any stage, answer the questions that follow.
Note: Some values are missing in the table, using the data given in the question find them and solve the question.