General Logical Reasoning and Puzzles Questions and Answers

Question 1

Consider the following statements:
1. All roses are flowers.
2. Some flowers are red.

Based on these statements, which of the following conclusions is logically valid?

Accepted Answer

No definite conclusion can be drawn about roses and red color.

Answer

All roses are red.

Answer

Some roses are red.

Answer

Some red things are not flowers.

Question 2

A detective is investigating a case with four suspects: A, B, C, and D. They know that exactly two suspects are guilty. The suspects make the following statements:
A: 'B is guilty.'
B: 'C is guilty.'
C: 'I am not guilty.'
D: 'A is guilty.'

If it is known that exactly one of the two guilty suspects is lying and both innocent suspects are telling the truth, who are the two guilty suspects?

Accepted Answer

B and D

Answer

A and C

Answer

A and B

Answer

C and D

Question 3

Which of the following is an example of deductive reasoning?

Accepted Answer

All mammals have hearts. Since a whale is a mammal, it must have a heart.

Answer

Every swan I have ever seen is white; therefore, all swans must be white.

Answer

This company's stock price has gone up for the past three years. Therefore, the stock price will go up again this year.

Answer

My new neighbor is a doctor. I've noticed they leave for work early every day. Therefore, all doctors leave for work early.

Question 4

Look at this series: 3, 8, 15, 24, 35, ... What number should come next?

Accepted Answer

48

Answer

44

Answer

50

Answer

46

Question 5

Five friends (Leo, Mia, Noah, Olivia, Parker) are sitting in a row. Noah is not next to Olivia. Leo is sitting at one of the ends. Parker is to the right of Mia, and Mia is to the right of Leo. Which of the following is a possible seating arrangement from left to right?

Accepted Answer

Leo, Mia, Noah, Parker, Olivia

Answer

Leo, Olivia, Mia, Parker, Noah

Answer

Noah, Leo, Mia, Parker, Olivia

Answer

Leo, Mia, Parker, Noah, Olivia

Question 6

A person is in a room with two doors. One door leads to certain freedom, and the other to certain doom. There are two guards, one at each door. One guard always tells the truth, and the other always lies. The person does not know which guard is which or which door is which. They can ask only one question to only one guard. What question should they ask to find the door to freedom?

Accepted Answer

"Which door would the other guard say leads to doom?"

Answer

"Which door leads to freedom?"

Answer

"Are you the guard who tells the truth?"

Answer

"If I were to ask you 'Does this door lead to freedom?', would you say yes?"

Consider the following statements:1.All roses are flowers.2.Some flowers are red.Based on these statements, which of the following conclusions is logically valid?

Consider the following statements:
1.
All roses are flowers.
2.
Some flowers are red.
Based on these statements, which of the following conclusions is logically valid?