The diagram shows the survey on a sample of 500 persons with respect to their knowledge of Bengali, Hindi and English.

1. How many persons know the Bengali and English Language but not know the Hindi Language?
(A) 53
(B) 62
(C) 65
(D) 37
2. How many person know all the three Languages?
(A) 65
(B) 62
(C) 53
(D) 47
3. How many persons who do not know Hindi Language?
(A) 265
(B) 200
(C) 255
(D) 201
4. What is the ratio of those who know all the three Languages to those who do not know Hindi Language?
(A) 3 / 5
(B) 2 / 5
(C) 1 / 5
(D) 4 / 5
5. What is the ratio of those who know Bengali Language to those who do not know Bengali Language?
(A) 2 : 5
(B) 3 : 5
(C) 4 : 5
(D) 1 : 5