Mensa IQ Test Mensa IQ Blood Relations and Direction Sense 3

Question 1

A is the son of B. C is B's sister. D is C's mother. E is D's husband. How is A related to E?

Accepted Answer

Grandson

Answer

E is D's husband, and D is C's mother. C is B's sister, so D is also B's mother and E is B's father. A is B's son — so E is A's grandfather (paternal grandfather), making A E's grandson.

Question 2

A girl walks 3 km east, then 4 km north. She then turns to face her starting point. In what direction is she facing?

Accepted Answer

Southwest

Answer

She is 3 km east and 4 km north of her start; to face the start she must look south (back 4 km) and west (back 3 km), meaning she faces southwest.

Question 3

P's mother has only one son, Q. Q is married to R. R's son is S. How is P related to S?

Accepted Answer

Uncle or Aunt

Answer

P's mother's only son is Q, so Q is P's brother. Q and R are married and S is their son, making S P's nephew — so P is S's uncle or aunt.

Question 4

A man facing northwest walks straight ahead. After 10 km, in what general direction has he moved relative to his start?

Accepted Answer

Northeast of his start... no — he moved toward the Northwest

Answer

Walking while facing northwest means moving in the northwest direction — he is northwest of his starting point.

Question 5

A is B's father. B is C's brother. D is A's mother. E is D's son. How is C related to E?

Accepted Answer

Niece or Nephew

Answer

D is A's mother, and E is D's son — so E is A's sibling (A's brother or sister). B is A's child, and C is B's sibling — so C is A's grandchild. E is A's sibling, so E is C's great-uncle or the relationship is E is C's grandparent's sibling, making C E's grand-niece/nephew.

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Mensa IQ Test Mensa IQ Blood Relations and Direction Sense 3