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Myriora Non-verbal Reasoning › 11+ non-verbal reasoning › Chapter 1: Find the rule

Odd one out

11+Chapter 1 · Lesson 1

In this lesson

Your turn

Which picture is the odd one out?

Show the answer

The shape, the shading and the size all keep changing. The others all have a circle inside. Picture D has a square inside, so it's the odd one out.

The common mistake

A common mistake is to pick the first difference you see. But check that your rule fits all the other pictures. If you can't say the rule, keep looking.

Try it at home

Make your own odd-one-out with buttons, coins or toys: four that share something and one that does not. Can the other person say the rule, not just point at the odd one?

Read the whole lesson

Hello, and welcome to Myriora Non-verbal Reasoning! Which of these five pictures is the odd one out? Let's find out how to be sure.

Here's the trick. Don't start with whatever looks different. First, find what most of the pictures share. Then find the one without it.

Let's use the checklist on these five. The shading keeps changing: some are white, and some are grey. The size keeps changing too. But look at the shape: four squares, and one pentagon. So picture C is the odd one out.

Why not picture B? It's the one you might notice first. But its grey shading is also in picture C, and its size and its dashed line are in other pictures too. The odd one out has something none of the others has.

Here's a harder one. Sometimes the rule links two things, so count the sides, and count the dots. Picture A has three sides and three dots. Picture B has four sides and four dots. But picture E has three sides and four dots, so it's the odd one out.

A common mistake is to pick the first difference you see. But check that your rule fits all the other pictures. If you can't say the rule, keep looking.

Your turn! Which picture is the odd one out? Pick the right card. You've got ten seconds, or pause the video. Go!

Time's up! The shape, the shading and the size all keep changing. The others all have a circle inside. Picture D has a square inside, so it's the odd one out.

Quick review. Find what most of the pictures share. Things that keep changing are not the rule. Look for links, like dots and sides. And say the rule before you choose. See you next time!