Instructions

WHO member countries - A, B, C, D and E meet for a round table discussion to explore the future of COVID-19 pandemic and other infectious threats. Out of these five countries, three are developed countries and two are developing countries. The following information is given:
I. The two developing countries will not be seated next to each other
II. The country A, which is a developed country, will always take a seat as far as possible from country B
III. The country D will always be seated next to a developing country

Question 67

If country E is sitting to the immediate right of country A, which of the following statements is/ are definitely true?
1.  Country B and Country D sit next to each other
2.  Country C has to be a developing country
3.  Country E has to be a developed country

Solution

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Given A and B are as far as possible. And also E is sitting right to A. With this information there are 2 arrangements.

image (62) image (61)

Now we have to arrange C, D in those two positions. 

image (59)

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