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Reasoning Aptitude > Logical Reasoning

LOGICAL PROBLEMS MCQs

Total Questions : 82 | Page 8 of 9 pages
Question 71.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    II and III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option B. -> II only
Statement II is the only true statement. Since all dogs like to run, then the ones who like to swim also like to run. There is no support for statement I or statement III.
Question 72.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    II and III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option B. -> II only
Since one-half of the four children are girls, two must be boys. It is not clear which children have blue or brown eyes.
Question 73.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I and II only
  2.    II only
  3.    I and III only
  4.    III only
  5.    None of the statements is a known fact.
 Discuss Question
Answer: Option D. -> III only
No answer description available for this question. Let us discuss.
Question 74.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    II and III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option C. -> II and III only
The first statement cannot be true because only female birds lay eggs. Statement II is true because some hens are chickens and all chickens are birds. Statement III is also true because if only some chickens are hens, then some must not be hens.
Question 75.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    II and III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option D. -> None of the statements is a known fact.
All baseball caps have brims, since baseball caps are hats (Fact 3) and all hats have brims (Fact 1). This rules out statement III, but it doesn't follow that all caps, a category that may include caps that are not baseball caps, have brims (statement I). Statement II cannot be confirmed, either, since it is possible, given the information, that all baseball caps are black.
Question 76.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    II and III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option D. -> None of the statements is a known fact.
There is no information in the facts to support statements I or II. Statement III is clearly wrong because, according to Fact 1, no frames cost less than $35.
Question 77.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    II and III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option D. -> None of the statements is a known fact.
None of the three statements is supported by the known facts.
Question 78.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    I and II only
  3.    II and III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option B. -> I and II only
Since some pens don't write, some writing utensils don't write (statement I). Since there are blue pens and since pens are writing utensils, some writing utensils are blue (statement II). There is not enough information to support statement III.
Question 79.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    I and II only
  4.    All the statements are facts.
 Discuss Question
Answer: Option D. -> All the statements are facts.
If Mary always tells the truth, then both Ann and Mary have cats (statements I and II), and Ann is lying (statement III). So all the statements are facts.
Question 80.
The logic problems in this set present you with three true statements: Fact 1, Fact 2, and Fact 3. Then, you are given three more statements (labeled I, II, and III), and you must determine which of these, if any, is also a fact. One or two of the statements could be true; all of the statements could be true; or none of the statements could be true. Choose your answer based solely on the information given in the first three facts.


Fact 1:

  1.    I only
  2.    II only
  3.    III only
  4.    None of the statements is a known fact.
 Discuss Question
Answer: Option C. -> III only
Statements I and II are not supported by the facts. Statement III is true because if all story-books have pictures and only some have words, then some storybooks have both words and pictures.

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