Sail E0 Webinar

Reasoning Aptitude > Logical Reasoning

LOGICAL DEDUCTION : LOGICAL REASONING MCQs

Logical Problems

Total Questions : 121 | Page 10 of 13 pages
Question 91. If the first two statements are true, the third statement is :
I. All the offices on the 9th floor have wall-to-wall carpeting.
II. No wall-to-wall carpeting is pink.
III. None of the offices on the 9th floor has pink wall-to-wall carpeting.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option A. -> true
If no wall-to-wall carpeting is pink and all the offices have wall-to-wall carpeting, none of the offices has pink wall-to-wall carpeting.
Question 92. If the first two statements are true, the third statement is :
I. Class A has a higher enrollment than Class B.
II. Class C has a lower enrollment than Class B.
III. Class A has a lower enrollment than Class C.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option B. -> false
From the first two statements, we know that of the three classes, Class A has the highest enrollment, so the third statement must be false.
Question 93. If the first two statements are true, the third statement is :
I. Class A has a higher enrollment than Class B.
II. Class C has a lower enrollment than Class B.
III. Class A has a lower enrollment than Class C.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option B. -> false
From the first two statements, we know that of the three classes, Class A has the highest enrollment, so the third statement must be false.
Question 94. If the first two statements are true, the third statement is :
I. Class A has a higher enrollment than Class B.
II. Class C has a lower enrollment than Class B.
III. Class A has a lower enrollment than Class C.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option B. -> false
From the first two statements, we know that of the three classes, Class A has the highest enrollment, so the third statement must be false.
Question 95. If the first two statements are true, the third statement is :
I. Class A has a higher enrollment than Class B.
II. Class C has a lower enrollment than Class B.
II. Class A has a lower enrollment than Class C.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option B. -> false
From the first two statements, we know that of the three classes, Class A has the highest enrollment, so the third statement must be false.
Question 96. If the first two statements are true, the third statement is :
I. A fruit basket contains more apples than lemons.
II. There are more lemons in the basket than there are oranges.
II. The basket contains more apples than oranges.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option A. -> true
There are fewer oranges than either apples or lemons, so the statement is true.
Easy method: (Try this method to solve without any confusion)
1. A fruit basket contains more apples than lemons = App > Lem
2. There are more lemons in the basket than there are oranges = Lem > Org
Now, Combine the above two results: App > Lem > Org
3. The basket contains more apples than oranges (App > ... > Org) = Yes.
Therefore, the given 3rd statement is true.
Question 97. If the first two statements are true, the third statement is :
I. All spotted Gangles have long tails.
II. Short-haired Gangles always have short tails.
III. Long-tailed Gangles never have short hair.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option C. -> uncertain
We know only that long-tailed Gangles have spots. We cannot know for certain if long-tailed Gangles also have short hair.
Question 98. If the first two statements are true, the third statement is :
I. All Lamels are Signots with buttons.
II. No yellow Signots have buttons.
III. No Lamels are yellow.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option A. -> true
We know that there are Signots with buttons, or Lamels, and that there are yellow Signots, which have no buttons. Therefore, Lamels do not have buttons and cannot be yellow.
Question 99. If the first two statements are true, the third statement is :
I. The hotel is two blocks east of the drugstore.
II. The market is one block west of the hotel.
III.The drugstore is west of the market.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option A. -> true
The market is one block west of the hotel. The drugstore is two blocks west of the hotel, so the drugstore is west of the market.
Question 100. If the first two statements are true, the third statement is :
I. All spotted Gangles have long tails.
II. Short-haired Gangles always have short tails.
III. Long-tailed Gangles never have short hair.
  1.    true
  2.    false
  3.    uncertain
 Discuss Question
Answer: Option C. -> uncertain
We know only that long-tailed Gangles have spots. We cannot know for certain if long-tailed Gangles also have short hair.

Latest Videos

Latest Test Papers