A result of a survey of 1000 persons with respect to their knowledge of Hindi(H), English(E) and Sanskrit(S) is given below: What is the ratio of those who know all the three languages to those who do not know Sanskrit ?

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A result of a survey of 1000 persons with respect to their knowledge of Hindi(H), English(E) and Sanskrit(S) is given below:<br /> <br />What is the ratio of those who know all the three languages to those who do not know Sanskrit ?