Mensa IQ Test Mensa IQ Blood Relations and Direction Sense 1

Question 1

A is the father of B. B is the sister of C. C is the son of D. How is A related to D?

Accepted Answer

A is D's husband

Answer

C is D's son, and C is B's brother, and B is A's child — so D is the mother of C (and B), making A the husband of D.

Question 2

A man walks 5 km north, turns right and walks 3 km, turns right again and walks 5 km. In what direction is he now from his starting point?

Accepted Answer

East

Answer

North 5 km, then east 3 km, then south 5 km — he is now 3 km east of his starting point, so he is to the east.

Question 3

Pointing to a woman, a man says 'She is the only daughter of my mother's husband's mother.' How is the woman related to the man?

Accepted Answer

Aunt

Answer

The man's mother's husband is the man's father; the father's mother is the man's paternal grandmother; the only daughter of the paternal grandmother is the man's paternal aunt.

Question 4

A is B's brother. B is C's mother. C is D's sister. How is A related to D?

Accepted Answer

Uncle

Answer

B is C's mother, and C is D's sibling, so B is also D's mother. A is B's brother — therefore A is the uncle of D.

Question 5

Starting facing north, a person turns left 90°, then left 90° again, then right 90°. What direction is the person now facing?

Accepted Answer

West

Answer

From north: left 90° = facing west; left 90° again = facing south; right 90° = facing west.

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Mensa IQ Test Mensa IQ Blood Relations and Direction Sense 1