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Mensa IQ Blood Relations and Direction Sense Flashcards

7 cards from real MENSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Mensa IQ Blood Relations and Direction Sense flashcards as text

  1. Rahul is to the south of Priya, Ankit is to the east of Priya, and Vijay is to the north of Ankit. Vijay is to which side of Priya?

    Answer: North-East

    Ankit is east of Priya; Vijay is north of Ankit — so Vijay is both north (of Ankit) and east (of Priya), placing Vijay to the northeast of Priya.

  2. A mother tells her son: 'That boy playing outside is the younger of the only two children of my mother's only daughter.' The boy outside is the son's:

    Answer: Brother

    The mother's mother's only daughter is the mother herself (assuming she is her mother's only daughter); that daughter's only two children include the son and the boy outside — they are brothers.

  3. A policeman walks 1 km north, 2 km east, 4 km south, 2 km west, and finally 3 km north. How far is the policeman from the starting point?

    Answer: 0 km — at the start

    Net north-south: 1+3−4 = 0 km; net east-west: 2−2 = 0 km — the policeman is back at the starting point.

  4. If A + B means A is the father of B, A − B means A is the sister of B, and A × B means A is the brother of B, what does P + Q − R × S mean?

    Answer: P is the father of Q, Q is the sister of R, R is the brother of S

    Using the given operations: P+Q = P is the father of Q; Q−R = Q is the sister of R; R×S = R is the brother of S. The expression chains these three relationships.

  5. A boy faces east and walks 5 km, turns left and walks 5 km, turns left again and walks 5 km. How far is he from the start, and in what direction must he walk to return directly?

    Answer: 5 km north of start — must walk south to return

    East 5, North 5 (left from east), West 5 (left from north) — net position: 0 east-west (5E − 5W = 0), 5 km north. He is 5 km north of start and must walk south to return.

  6. Deepa is the niece of Arun. Arun is the brother of Meena. Meena is the daughter of Ram. How is Deepa related to Ram?

    Answer: Granddaughter

    Ram is Meena's father; Arun is Meena's brother, so Ram is also Arun's father. Deepa is Arun's niece — Arun's sibling's daughter = one of Ram's grandchildren. Deepa is Ram's granddaughter.

  7. A car starts from town A, travels 30 km north to B, then 40 km east to C. What is the straight-line distance from A to C, and in which direction would you travel directly from A to C?

    Answer: 50 km, Northeast

    Using the Pythagorean theorem: √(30² + 40²) = √(900+1600) = √2500 = 50 km. Since C is north AND east of A, the direct direction is northeast.