Logical Interview Preparation Guide
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Logical Interview Questions and Answers guide is to build the basics concepts and The formal systematic study of the principles of valid inference and correct reasoning. Logical Interview Questions and Answers also help all of us in the professional field and getting the preparation of any job or entry test or exams or getting visa etc. Logical Interview Questions and Answers are for everyone who wants to build an extra ordinary knowledge.

52 Logical Questions and Answers:

1 :: Hans is standing behind Gerrie and at the same time Gerrie is standing behind Hans. How is this possible?

Hans and Gerrie are standing with their backs towards each other!.
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2 :: Here are three answers: Answer A Answer A or B Answer B or C There is only one correct answer to this question. Which answer is this?

If answer A would be correct, then answer B ("Answer A or B") would also be correct. If answer B would be correct, then answer C ("Answer B or C") would also be correct. This leads to the conclusion that if either answer A or answer B would be the correct answer, there are at least two correct answers. This contradicts with the statement that "there is only one correct answer to this question". If answer C would be correct, then there are no contradictions. So the solution is: answer C. .
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3 :: General Gasslefield, accused of high treason, is sentenced to death by the court-martial. He is allowed to make a final statement, after which he will be shot if the statement is false or will be hung if the statement is true. Gasslefield makes his final statement and is released. What could he have said?

General Gasslefield said:
"I will be shot."
If this statement was true, he would have been hung and thus not be shot. But then his statement would be false, which implies that he should be shot, making the statement true again, etc... In other words: the verdict of the court-martial could not be executed and the general was released..
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5 :: A snail is at the bottom of a 20 meters deep pit. Every day the snail climbs 5 meters upwards, but at night it slides 4 meters back downwards. How many days does it take before the snail reaches the top of the pit?

On the first day, the snail reaches a height of 5 meters and slides down 4 meters at night, and thus ends at a height of 1 meter. On the second day, he reaches 6 m., but slides back to 2 m. On the third day, he reaches 7 m., and slides back to 3 m. ... On the fifteenth day, he reaches 19 m., and slides back to 15 m. On the sixteenth day, he reaches 20 m., so now he is at the top of the pit! Conclusion: The snail reaches the top of the pit on the 16th day!... .
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