List of top Logical Reasoning Questions

‘In 399 BC, a jury in Athens condemned Socrates to death for impiety and corrupting the morals of the youth...’ Which one of the following claims constitutes the most plausible challenge to Socrates’ argument?
‘Soft drinks have been shown by scientists to be bad for the teeth. Therefore, the government would be justified in banning all soft drinks from the Indian market.’ Assuming that the factual claim in the above argument is true, what else needs to be assumed for the conclusion to follow?
‘In order to be eligible for election to the Lok Sabha, a person must be at least 25 years of age. Moreover, one must not be bankrupt.’ Therefore, Jatinder Singh, over 50 years of age and without any criminal convictions, cannot be the Speaker of the Lok Sabha since he has just filed for bankruptcy. Which of the following must be assumed for the conclusion to follow logically?
‘As a century draws to a close, people start behaving much like people coming to the end of a long life. People approaching death often start reflecting on the events of their lives. Similarly, people alive in 1999 ________________’ Which of the following most logically completes the paragraph above?
‘The Roman poet and philosopher Lucretius proposed the following thought experiment. If the universe has a boundary, we can throw a spear at this boundary. If the spear flies through, then it is not a boundary. If the spear bounces back, there must be something beyond this boundary that is itself in space, which means it is not a boundary at all. Either way, it turns out that the universe has no boundary.’ How best can the form of Lucretius’ argument for the infinity of space be described?
‘Utilitarians believe that the right action is that which produces the most happiness.’ Which of the following claims is incompatible with the utilitarian view?
‘Senthil goes to Ambala for the first time in his life. On the way from the railway station to his hotel, he sees twelve people, all of them male. He concludes that there are no women in Ambala. As a matter of fact, there are many thousands of women in Ambala.’ Which of the following best describes Senthil’s error?
‘Sunday, Monday, Wednesday, Saturday, Wednesday, Monday, Sunday, ________’
Which of the following best fits in the blank?
‘China has a higher literacy rate than India. This is due to the greater efficiency of the Communist system. Efficiency is sorely lacking in India’s democratic system. Therefore, democracy is the biggest obstacle to India’s achieving 100% literacy.’ Which of the following, if true, would directly undermine the above argument?
‘Apple, Application, ________, Approval, Apricot, April’
Which of the following best fits in the blank?
“387924, ________, 3724, 423, 32, 2”. Which number is missing?
“387924, ________, 3724, 423, 32, 2”. Which number is missing?
Aadvark, Eerie, Iiwi, Oolong, ________
Which of the following words follows the pattern of this series?
Statement 1: People who read fashion magazines do not like to read fiction.
Statement 2: Tenzin does not read fashion magazines.
Assuming that Statements 1 and 2 are true, which of the following conclusions might be said to follow?
Statement 1: All pingos are Byronic.
Statement 2: Shalisto is Byronic.
Statement 3: Therefore \underline{\hspace{3cm}}
Fill in the blank.
A, B, D, G, K, P, __________
What is the last alphabet in this sequence?
B, C, E, G, K, M, Q, S, ________
What is the next alphabet in this sequence?
Suleiman: All Communists are atheists.
Sheeba: That is not true.
Which of the following, if true, would make Sheeba’s reply the most convincing?
Z, X, T, N, ________
What is the next alphabet in this sequence?
Statement 1: Sugar is bad for people with diabetes.
Statement 2: Leela does not eat sugar.
Assuming that Statements 1 and 2 are true, which of the following statements follows?
“Where there is smoke, there is fire.” Which of the following statements, if true, would show that the above statement is false?
“Where there is poverty, there are always thieves.” Which of the following statements, if true, would show that the above statement is false?
These questions are based on the data given below.
There are only four members of a family viz., A, B, C and D and there is only one couple among them. When asked about their relationships, following were their replies:
a: A: B is my son. D is my mother.
b: B: C is my wife. Dis my father.
c: C: D is my mother - in - law. A is my daughter.
d: D: A is my grand - daughter. B is my daughter - in - law
These questions are based on the following information.
A cube of 7cm × 7cm × 7cm is kept in the corner of a room and painted in three different colours, each face in one colour. The cube is cut into 343 smaller but identical cubes.
Refer to the following data and answer the questions that follow:
A numerical machine accepts two values X and Y. Then it updates these values as X = XY and Y = Y + 1 in every step. The machine stops at X≥N.