Mensa Mensa IQ Spatial Reasoning and Patterns

Question 1

What comes next in the series: 2, 4, 8, 16, ?

Accepted Answer

32

Answer

Each number is doubled: 2×2=4, 4×2=8, 8×2=16, 16×2=32.

Question 2

Complete the letter series: A, C, E, G, ?

Accepted Answer

I

Answer

The series skips every other letter: A, B(skip), C, D(skip), E, F(skip), G, H(skip), I.

Question 3

Hot is to Cold as Day is to ___?

Accepted Answer

Night

Answer

Hot and Cold are opposites. Day and Night are opposites.

Question 4

A triangle has 3 sides. A square has 4 sides. A pentagon has 5 sides. How many sides does an octagon have?

Accepted Answer

8

Answer

The prefix 'octo' means 8, so an octagon has 8 sides.

Question 5

All mammals are warm-blooded. All dogs are mammals. Therefore, all dogs are ___?

Accepted Answer

Warm-blooded

Answer

If all mammals are warm-blooded, and all dogs are mammals, then all dogs must be warm-blooded (syllogistic logic).

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