Mensa Mensa IQ Spatial and Abstract Reasoning 3

Question 1

In the number series 2, 6, 12, 20, 30, what comes next?

Accepted Answer

42

Answer

Differences increase by 2 each time (4,6,8,10,12), so 30+12 = 42.

Question 2

Which mirror image correctly reflects the letter 'E' across a vertical line?

Accepted Answer

Ǝ (reversed E)

Answer

A vertical mirror flips 'E' left-to-right into a backwards 'Ǝ'.

Question 3

An unfolded cube net shows six squares in a cross shape. When folded, the square opposite the center bottom face is which?

Accepted Answer

The top arm of the cross

Answer

In a cross net, the top arm folds to become directly opposite the bottom face.

Question 4

Which item does not belong: triangle, pyramid, cube, sphere?

Accepted Answer

Triangle

Answer

The triangle is two-dimensional while the others are 3D solids.

Question 5

If you stack three identical cubes in a vertical column, how many faces are completely hidden from view?

Accepted Answer

4

Answer

Each of the two contact joints hides two faces, totaling four hidden faces.

Mensa Practice Test