# Recent questions tagged logical-reasoning

1 vote
3 answers
1
R2D2 is a robot. R2D2 can repair aeroplanes. No other robot can repair aeroplanes. Which of the following can be logically inferred from the above statements? R2D2 is a robot which can only repair aeroplanes. R2D2 is the only robot which can repair aeroplanes. R2D2 is a robot which can repair only aeroplanes. Only R2D2 is a robot.
4 votes
3 answers
2
Pick the odd one out in the following: $13, 23, 33, 43, 53$ $23$ $33$ $43$ $53$
5 votes
3 answers
3
Fact 1: Humans are mammals. Fact 2: Some humans are engineers. Fact 3: Engineers build houses. If the above statements are facts, which of the following can be logically inferred? I. All mammals build houses. II. Engineers are mammals. III. Some humans are not engineers. II only. III only. I, II and III. I only.
2 votes
2 answers
4
A flat is shared by four first year undergraduate students. They agreed to allow the oldest of them to enjoy some extra space in the flat. Manu is two months older than Sravan, who is three months younger than Trideep. Pavan is one month older than Sravan. Who should occupy the extra space in the flat? Manu Sravan Trideep Pavan
3 votes
5 answers
5
M has a son Q and a daughter R. He has no other children. E is the mother of P and daughter-inlaw of M. How is P related to M? P is the son-in-law of M. P is the grandchild of M. P is the daughter-in law of M. P is the grandfather of M.
1 vote
1 answer
6
Social science disciplines were in existence in an amorphous form until the colonial period when they were institutionalized. In varying degrees, they were intended to further the colonial interest. In the time of globalization and the economic rise of postcolonial countries like India, conventional ways of ... boundaries. (ii) only (i) and (iii) only. (ii) and (iv) only. (iii) and (iv) only.
5 votes
2 answers
7
The Venn diagram shows the preference of the student population for leisure activities. From the data given, the number of students who like to read books or play sports is _______. $44$ $51$ $79$ $108$
7 votes
3 answers
8
Fact: If it rains, then the field is wet. Read the following statements: It rains The field is not wet The field is wet It did not rain Which one of the options given below is NOT logically possible, based on the given fact? If (iii), then (iv). If (i), then (iii). If (i), then (ii). If (ii), then (iv).
2 votes
2 answers
9
Michael lives $10$ km away from where I live. Ahmed lives $5$ km away and Susan lives $7$ km away from where I live. Arun is farther away than Ahmed but closer than Susan from where I live. From the information provided here, what is one possible distance (in km) at which I live from Arun’s place? $3.00$ $4.99$ $6.02$ $7.01$
1 vote
1 answer
10
An advertisement for a tennis magazine states, "If I'm not playing tennis, I'm watching tennis. And If I'm not watching tennis, I'm reading about tennis." We can assume that the speaker can do at most one of these activities at a time. What is the speaker doing? Playing tennis Watching tennis Reading about tennis None of the above
4 votes
2 answers
11
Suppose the following statements about three persons in a room are true. Chandni, Sooraj and Tara are in a room. Nobody else is in the room. Chandni is looking at Sooraj. Sooraj is looking at Tara. Chandni is married. Tara is not married. A ... Sooraj is unmarried The situation described is impossible There is insufficient information to conclude if Sooraj is married or unmarried None of the above
8 votes
4 answers
12
Consider the following game with two players, Aditi and Bharat. There are $n$ tokens in a bag. The two players know $n$, and take turns removing tokens from the bag. In each turn, a player can either remove one token or two tokens. The player that removes the last token from the ... has a winning strategy. Edit : Option (D) is : For both $n=7$ and $n=8$, Bharat has a winning strategy. (Source)
1 vote
1 answer
13
Mr. and Mrs. Aye and Mr. and Mrs. Bee competed in a chess tournament. Of the three games played: In only the first game the two players were married to each other. The men won two games and the women won one game The Ayes won more games than Bees Anyone who lost the game did not play the subsequent game Who did not lose a game? Mrs. Bee Mr. Bee Mrs. Aye Mr. Aye
0 votes
1 answer
14
(1)For all S, 10 # S = S # 10 (2)For all S, 10S # 3S = 30S2 A .Statement (1) alone is sufficient to answer the question, but statement (2) alone is not. B .Statement (2) alone is sufficient to answer the question, but ... Both statements together are sufficient to answer the question, but neither statement alone is sufficient. D .Either statement by itself is sufficient to answer the question.
0 votes
1 answer
15
1)L2=4 2)L<0 A .Statement (1) alone is sufficient to answer the question, but statement (2) alone is not. B .Statement (2) alone is sufficient to answer the question, but statement (1) alone is not. C .Both statements together are sufficient to ... . D .Either statement by itself is sufficient to answer the question. E .Even both the statements together are not sufficient to answer the question.
2 votes
2 answers
16
Avinash is taller than Abhay. Bharat is taller than Vinu and Vinay is taller than Bharat. Which of the following is a minimal set of additional information that can determine the tallest person? Vinay is taller than Avinash and Abhay is taller than Bharat. Avinash is taller than Vinay. Abhay is shorter than Vinay. None of the above.
2 votes
1 answer
17
A company is due to send a shipment to a client and the CEO has resigned. To select a new CEO, some candidates have been interviewed. One of them will be chosen through a vote. If the workers union resort to a strike and the candidates have to be interviewed again, ... (B). If the workers union resorted to a strike, then the number of voters was greater than or equal to the number of abstainers.
16 votes
3 answers
18
Consider the following two statements. There are infinitely many interesting whole numbers. There are finitely many uninteresting whole numbers. Which of the following is true? Statements $1$ and $2$ are equivalent. Statement $1$ implies statement $2$. Statement $2$ implies statement $1$. None of the above.
5 votes
1 answer
19
Amma baked a cake and left it on the table to cool. Before going for her bath, she told her four children that they should not touch the cake as it was to be cut only the next day. However when she got back from her bath she found that someone had eaten a ... the truth and exactly one of them actually ate the piece of cake, who is the culprit that Amma is going to punish? Lakshmi Ram Aruna Varun
1 vote
2 answers
20
A valuable sword belonging to the Grand King was stolen, and the three suspects were Ibn, Hasan, and Abu. Ibn claimed that Hasan stole it, and Hasan claimed that Abu stole it. It was not clear that one of them stole it, but it was later learnt that no innocent person had lied. It was also learnt that the sword was stolen by only one person. Who stole the sword? Ibn Hasan Abu None of them
1 vote
1 answer
21
Lavanya has to complete $12$ courses for her degree. There are six compulsory courses: Basic and Advanced Mathematics, Basic and Advanced Physics and Basic and Advanced Electronics. She also has to complete six Optional Courses. Each course takes one semester to complete. There are ... , what is the minimum number of semesters that Lavanya needs to complete her course requirements. $3$ $4$ $5$ $6$
2 votes
4 answers
22
In a group of four children, Som is younger to Riaz. Shiv is elder to Ansu. Ansu is youngest in the group. Which of the following statements is/are required to find the eldest child in the group? Statements 1. Shiv is younger to Riaz. 2. Shiv is elder to Som. ... $1$ and $2$ are both required to determine the eldest child. Statements $1$ and $2$ are not sufficient to determine the eldest child.
2 votes
3 answers
23
Lights of four colors (red, blue, green, yellow) are hung on a ladder. On every step of the ladder there are two lights. If one of the lights is red, the other light on that step will always be blue. If one of the lights on a step is green, the other light on ... is equal to the sum of the yellow and blue lights The sum of the red and blue lights is equal to the sum of the green and yellow lights
5 votes
3 answers
24
Find the next term in the sequence: $7G, 11K, 13M$, _________. $15Q$ $17Q$ $15P$ $17P$
3 votes
2 answers
25
In which of the following options will the expression $P < M$ be definitely true? $M < R > P > S$ $M > S < P < F$ $Q < M < F = P$ $P = A < R < M$
6 votes
5 answers
26
Anuj, Bhola, Chandan, Dilip, Eswar and Faisal live on different floors in a six-storeyed building (the ground floor is numbered $1$, the floor above it $2$, and so on) Anuj lives on an even-numbered floor, Bhola does not live on an odd numbered floor. Chandan does not live on any of the floors below ...
2 votes
4 answers
27
Rajan was not happy that Sajan decided to do the project on his own. On observing his unhappiness, Sajan explained to Rajan that he preferred to work independently. Which one of the statements below is logically valid and can be inferred from the above sentences? Rajan has ... decided to give in to Rajan's request to work with him. Rajan had believed that Sajan and he would be working together.
10 votes
6 answers
28
Abhishek is elder to Savar. Savar is younger to Anshul. Which of the given conclusions is logically valid and is inferred from the above statements? Abhishek is elder to Anshul Anshul is elder to Abhishek Abhishek and Anshul are of the same age No conclusion follows
4 votes
2 answers
29
All professors are researchers Some scientists are professors Which of the given conclusions is logically valid and is inferred from the above arguments: All scientists are researchers All professors are scientists Some researchers are scientists No conclusion follows