Directions: Refer to the following table and answer the given questions.
1000 candidates have appeared for a job selection process. Their scores in a written test of 300 marks and a personal interview of 100 marks are given in the following table. The entries in the table denote the number of candidates.
Total number of candidates scoring not more than 39% in the interview exceeds the total number of candidates scoring not more than 109 marks in the written test by
Correct answer is option 'B'. Can you explain this answer?