Mensa IQ Odd One Out Puzzles 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 Odd One Out Puzzles flashcards as text
Which word does NOT belong with the others? Amplify, Magnify, Intensify, Simplify
Answer: Simplify
Amplify, Magnify, and Intensify all mean to increase or make greater, while Simplify means to make easier or less complex.
Which number does NOT fit the pattern? 3, 9, 27, 54, 81
Answer: 54
The series 3, 9, 27, 81 are powers of 3 (3¹, 3², 3³, 3⁴), but 54 is not a power of 3.
Which shape is the odd one out? Rhombus, Trapezoid, Parallelogram, Rectangle
Answer: Trapezoid
A rhombus, parallelogram, and rectangle all have two pairs of parallel sides, whereas a trapezoid has only one pair of parallel sides.
Which does NOT belong? Mercury, Venus, Earth, Pluto
Answer: Pluto
Mercury, Venus, and Earth are all officially classified planets in the solar system, while Pluto was reclassified as a dwarf planet in 2006.
Which word is the odd one out? Sanguine, Ebullient, Morose, Buoyant
Answer: Morose
Sanguine, Ebullient, and Buoyant all describe a cheerful or optimistic disposition, while Morose means sullen or gloomy.
Which letter pair does NOT belong? AZ, BY, CX, DE
Answer: DE
AZ, BY, and CX each pair letters that are mirror positions from opposite ends of the alphabet (A+Z=27, B+Y=27, C+X=27), while D and E are adjacent letters with no such symmetry.
Which does NOT belong? Chlorophyll, Hemoglobin, Melanin, Insulin
Answer: Insulin
Chlorophyll, Hemoglobin, and Melanin are all pigments that give color to plants, blood, and skin respectively, while Insulin is a hormone with no pigmentation role.