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Below is an IQ test with answers and explanations.

- Smelling
- Seeing
- Smiling
- Hearing

**Answer**: Out of the words smelling, seeing, smiling, hearing, the word that doesn’t fit is **smiling**.

**Explanation**: The other 3 words are senses, inputs to your brain.

Smelling | Sense |

Seeing | Sense |

Smiling | Not A Sense |

Hearing | Sense |

- Painting
- Poem
- Flower
- Song

**Answer**: Out of the words painting, poem, flower, song, the word that doesn’t fit is **flower**.

**Explanation**: The other 3 words are forms of art.

Painting | Art |

Poem | Art |

Flower | Not Art |

Song | Art |

- Wednesday
- Friday
- Saturday
- Sunday

**Answer**: If Monday is in two days, yesterday was **Friday**.

**Explanation**: Monday is in two days, Sunday is in one day (tomorrow), Saturday is in 0 days (today), **Friday** in in -1 days (yesterday).

name | day of the week | number of days |
---|---|---|

in two days | Monday | 2 |

tomorrow | Sunday | 1 |

today | Saturday | 0 |

yesterday | Friday | -1 |

- Fork
- Napkin
- Plate

**Answer**: Coffee is to cup, what cake is to **plate**.

**Explanation**: Coffee *sits* on the cup, cake *sits* on the plate.

- Twig
- Tree
- Forest

**Answer**: Finger is to hand, what leaf is to **twig**.

**Explanation**: Finger => hand => arm => person => people. Leaf => twig => branch => tree => forest.

Finger | Leaf |

Hand | Twig |

Arm | Branch |

Person | Tree |

People | Forest |

- 50
- 100
- 200

**Answer**: Half of a quarter of 400 is **50**.

**Explanation**: A quarter of 400 is 100, half of 100 is 50.

Another way:

` {: ((1/2) * (1/4) * 400, =, (1/2) * (400/4)), ( , =, (1/2) * 100), ( , =, 100/2 = 50) :} `

Yet another way:

` {: ((1/2) * (1/4) * 400, =, (1/(2 * 4)) * 400), ( , =, (1/8) * 400), ( , =, 400/8 = 50) :} `

- True
- False

**Answer**: The sentence “If you turn your left glove inside out, it will fit your right hand” is **True**.

**Explanation**: Imagine the symmetry of your hands in that sense. Or do the experiment like:

**Answer**: The button on the right, which has an arrow pointing right.

**Explanation**: For each row, from left the right, the shape rotates 45 degrees clockwise.

**Answer**: The button on the right, which has a polygon inside a circle.

**Explanation**: For each row, the second column is the first column plus (union) the third column.

**Answer**: The first image, which only has 5 sides.

**Explanation**: The other 4 images have 6 sides.

**Answer**: The second image, which is a concave polygon (some vertices point inwards).

**Explanattion**: The other 4 images are convex polygons, with all vertices pointing outwards.

**Answer**: The second image is also flipped, not just rotated.

**Explanation**: The other 3 images are rotated version of the same image.

**Answer**: The second image, which has a vertical solid line on the right side and a vertex on the bottom left of the image.

**Explanation**: The right side of the space has a vertical solid line from top to bottom.

- 1, 2, 4, 7, 11, 16, 22, ?

**Answer**: 1, 2, 4, 7, 11, 16, 22, **29**.

**Explanation**: Taking the differences between consecutive numbers we get +1, +2, +3, +4, +5, +6, so the next number is 22 + 7 = **29**.

Number | Operation |
---|---|

1 | + 1 |

2 | + 2 |

4 | + 3 |

7 | + 4 |

11 | + 5 |

16 | + 6 |

22 | + 7 |

29 | + 8 |

- 3, 6, 10, 20, 24, ?

**Answer**: 3, 6, 10, 20, 24, **48**.

**Explanation**: Comparing consecutive numbers we get x2, +4, x2, +4, so the next number is 24 x 2 = **48**.

Number | Operation |
---|---|

3 | x 2 |

6 | + 4 |

10 | x 2 |

20 | + 4 |

24 | x 2 |

48 | + 4 |

- 8, 6, 9, 5, 10, 4, 11, ?

**Answer**: 8, 6, 9, 5, 10, 4, 11, **3**.

**Explanation**: There are two interleaved series, one is 8, 9, 10, 11, increasing by one, the other is 6, 5, 4, decreasing by one, so the next number is 4 - 1 = **3**.

First Series | Second Series | First Series Operation | Second Series Operation |
---|---|---|---|

8 | + 1 | ||

6 | -1 | ||

9 | + 1 | ||

5 | -1 | ||

10 | + 1 | ||

4 | -1 | ||

11 | + 1 | ||

3 | -1 |

- Some bracelets are made of silver.
- Some valuable jewelry is made of gold.

**Answer**: If “Some bracelets are valuable jewelry. All bracelets are made of gold.”, then it is true for sure that **“Some valuable jewelry is made of gold.”**.

**Explanation**: Some bracelets (all of which are made of gold) are valuable jewelry. => Some valuable jewelry are bracelets (all of which are made of gold). => **Some valuable jewelry is made of gold.**

- Some politicians are not wealthy.
- Some politicians are wealthy.

**Answer**: If “Some politicians are lazy. No lazy person is wealthy.”, then it is true for sure that **“Some politicians are not wealthy.”**.

**Explanation**: Some politicians are lazy (no lazy person is wealthy). => Some politicians are lazy (all lazy persons are not wealthy). => **Some politicians are not wealthy.**

- Well done! You are in the top 1% of all people. Your IQ is 134.

I think this is the maximum score possible on a test that is no longer available.

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DISCLAIMER: This is not professional advice. The ideas and opinions presented here are my own, not necessarily those of my employer.