I 4. a) In a survey of 600 people in a village of Dhading district, 400 people said they can speak Tamang language, 350 said Nepali language and 200 of them said they can speak both the languages. (i) Draw a Venn-diagram to illustrate the above information. (ii) How many people can speak Tamang language only? (iii) How many people can speak Nepali language only? (iv) How many people cannot speak any of two languages?
