Mensa IQ Test Mensa IQ Logical Deduction Problems 2

Question 1

All A are B. All B are C. Some C are D. What must be true?

Accepted Answer

All A are C

Answer

All A are D

Answer

All C are B

Answer

Some A are D

Question 2

Five people are in a line. Ahmed is not first or last. Bella is immediately after Ahmed. Carlos is first. Where is Ahmed?

Accepted Answer

Second

Answer

Third

Answer

Fourth

Answer

Fifth

Question 3

If 'All cats are animals' is true, which must also be true?

Accepted Answer

If something is not an animal, it is not a cat

Answer

All animals are cats

Answer

Some animals are not cats

Answer

No cats are animals

Question 4

Three boxes contain apples, oranges, or mixed fruit. All labels are wrong. The box labeled 'Apples' actually contains what if you draw one orange from it?

Accepted Answer

Only oranges

Answer

Mixed fruit

Answer

Only apples

Answer

Cannot be determined

Question 5

A is the father of B. B is the father of C. What is A to C?

Accepted Answer

Grandfather

Answer

Father

Answer

Uncle

Answer

Brother

Question 6

If P or Q is true, and P is false, what must be true?

Accepted Answer

Q is true

Answer

Q is false

Answer

Both P and Q are false

Answer

Nothing can be concluded