Logical Reasoning
Today is Jon Snow's wedding and he has invited his 7 friends (Petyr, Qhorin, Ramsay, Sansa, Theon, Umar,
Varys) to attend the wedding. Not all his friends like each other and hence they come to the wedding as per
the following conditions:
• If Petyr comes, then Umar does not come
• If Sansa comes, then Theon does not come
• If Theon does not come, then Ramsay does not come
• If Ramsay does not come, then Petyr and Qhorin come
1. If Qhorin comes, then who must opt not to come to the wedding?
a) Ramsay
b) Umar
c) Theon
d) Petyr
e) None of these
2. If Ramsay does not come, then which of the following must be true?
a) Petyr and Theon do not come
b) Umar does not come
c) Theon comes
d) Sansa does not come and Qhorin comes
e) None of these
3. If Umar comes, then which of the following must not be true?
a) Theon comes
b) Varys comes
c) Ramsay does not come
d) Qhorin does not come
e) None of these
4. Which of the following could be the group of people attending the wedding?
a) Theon, Umar, Petyr, Qhorin
b) Varys, Ramsay, Umar
c) Sansa, Qhorin, Theon, Ramsay
d) Ramsay, Umar, Sansa
e) None of these
5. ______ can attend the party regardless of the presence of any other person.
Answers
Answer:
1a) Ramsay.
2e) None of these.
Given: A number of conditions which applies to who can attend Jon Snow's wedding
To find:
1. If Qhorin comes, then who must opt not to come to the wedding?
2. If Ramsay does not come, then which of the following must be true?
3. If Umar comes, then which of the following must not be true?
4. Which of the following could be the group of people attending the wedding?
5. ______ can attend the party regardless of the presence of any other person.
Solution:
1. If Qhorin comes, a) Ramsay must not opt to come to the wedding. [As it is mentioned in the fourth condition "If Ramsay does not come, then Petyr and Qhorin come".]
2. If Ramsay does not come, let's check for all the options.
a) Petyr and Theon do not come. - If Ramsay does not come, then Petyr comes [fourth condition]. Therefore, this statement is not applicable.
b) Umar does not come. - Umar does not come when Petyr comes [first condition]. And according to the fourth condition, if Ramsay does not come, then Petyr comes. Hence, this option is applicable.
-> b) Umar does not come
3. If Umar comes, then none of the following must not be true.
-> e) None of these
4. Let's check for the options given below.
a) Theon, Umar, Petyr, Qhorin - Petyr and Umar can't attend the wedding simultaneously [first condition].
b) Varys, Ramsay, Umar - Varys is not related at all to any of the friends and Ramsay and Umar have no condition between them to attend.
-> b) Varys, Ramsay, Umar can be the group of people attending the wedding.
5. Varys can attend the party regardless of the presence of any other person.
Answer: 1. a) Ramsay
2. b) Umar does not come
3. e) None of these
4. b) Varys, Ramsay, Umar
5. Varys