CCAT Spatial Reasoning: Odd One Out 2

Question 1

Which shape is the odd one out? A) Square  B) Rectangle  C) Rhombus  D) Trapezoid

Accepted Answer

Trapezoid

Answer

Square, rectangle, and rhombus are parallelograms (two pairs of parallel sides). A trapezoid has only one pair of parallel sides.

Question 2

Which 3D shape is the odd one out based on having at least one flat face? A) Cube  B) Sphere  C) Cylinder  D) Cone

Accepted Answer

Sphere

Answer

Cubes, cylinders, and cones all have at least one flat face. A sphere has no flat faces.

Question 3

Which letter is the odd one out based on vertical symmetry? A) A  B) B  C) H  D) T

Accepted Answer

B

Answer

A, H, and T have vertical lines of symmetry. B only has a horizontal line of symmetry.

Question 4

Which is the odd one out based on having at least one line of symmetry? A) Equilateral triangle  B) Square  C) Regular pentagon  D) Scalene triangle

Accepted Answer

Scalene triangle

Answer

Equilateral triangles, squares, and regular pentagons all have multiple lines of symmetry. A scalene triangle has none.

Question 5

Which is the odd one out based on having an even number of sides? A) Pentagon  B) Hexagon  C) Octagon  D) Decagon

Accepted Answer

Pentagon

Answer

Hexagon (6), octagon (8), and decagon (10) have even sides. Pentagon (5) has an odd number.

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