In a Goa office the four ellipses show staff who speak Hindi, Marathi, Konkani and English. What is the ratio of staff who speak exactly two languages to those who speak exactly three?

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5 : 2. Exactly two = 6 + 4 + 5 + 7 + 3 + 5 = 30; exactly three = 2 + 3 + 4 + 3 = 12. Ratio 30 : 12 = 5 : 2. 2 : 5 is reversed, 2 : 1 puts the centre 3 with the three-language group (30 : 15), and 11 : 4 puts it with the two-language group (33 : 12).

In a Goa office the four ellipses show staff who speak Hindi, Marathi, Konkani and English. What is the ratio of staff who speak exactly two languages to those who speak exactly three?

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