33 Logic Puzzles To Prove You're A Certified Smarty-Pants

1.Which does not belong: 99, 81, 25, or 16?

99

The rest are perfect square numbers.

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2.There are two ducks in front of a duck, two ducks behind a duck and a duck in the middle. How many ducks are there?

Rubber ducks in a row over text reading "Three ducks"
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3.Jane went to visit Jill. Jill is Jane’s only husband’s mother-in-law’s only husband’s only daughter’s only daughter. What relation is Jill to Jane?

Text reads "Jane's daughter" over close up of mother holding hand of little daughter on lawn.
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4.Some months have 31 days; others have 30. How many have 28 days?

"12 — all months have at least 28 days"
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5.What would correctly replace the question mark below?

Yellow = yellow; red = orange; blue = ?

Green

The colors on the left mixed with yellow make the colors on the right!

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6.Friday was three days ago. Which day is tomorrow?

If Friday was three days ago, that means today is Monday and tomorrow is Tuesday.

If Friday was three days ago, that means today is Monday and tomorrow is Tuesday.

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7.REGULAR is to RALUGER as 90210 is to:

  Tuomas A. Lehtinen / Getty Images
Tuomas A. Lehtinen / Getty Images

8.This figure is made of multiple blocks of the same size stacked directly on top of each other. How many blocks is this figure made of?

A pyramid with four rows of cubes

18 blocks

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9.Which does not belong: 48, 30, 64, or 96?

Hand holding up 4 fingers overlaid with "30"

It's not a multiple of 4.

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10.Four girls are in line to buy smoothies. Lacey is behind Stacy but not last. Casey is in front of Macy. Stacy is directly behind Casey. Who is at the end of the line?

"Macy" over a picture of women ordering smoothies

Given the information, the correct order of girls from front to back is Casey, Stacy, Lacey, and Macy at the end.

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11.Which number belongs at the top of this pyramid?

A pyramid with five rows of numbers: 3, 8, 7, 1, 2, and 5 at the bottom; 11, 15, 8, 3, and 7 in the 4th row; 26, 23, 11, and 10 in the 3rd; 49, 34, and 21 in the 2nd; 83 and 55 in the 2nd; and a question mark at the top

138

Two numbers next to each other are added together to form the number above.

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12.“Mark,” “shelf,” “end,” and “worm” can all be added to the end of which word to make four different compound words?

picture of an open book with the word "book"
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13.Which does not belong: 37, 51, 13, or 79?

calculator with the number "51"

It's the only one that's not a prime number.

I Going To Make A Greatest Artwo / Getty Images/iStockphoto

14.How many dots should be on the last die?

9 dice faces

Three dots

Austin Allie

15.Tom works Monday, Thursday, and Friday nights. Jay works all day Tuesday, Thursday, and Friday, and mornings on weekends. Tom dances Wednesday and Saturday night, while Jay swims Sunday and Monday mornings. When do both of their schedules allow them to meet?

Calendar with the words "Sunday night"
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16.It takes three grandmas three hours to knit three hats. How long would it take 50 grandmas to knit 50 hats?

It takes a grandma three hours to knit a hat.

It takes a grandma three hours to knit a hat.

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17.How many letters are in the picture below?

An image with multicolored letters on top of each other

6

There is an S, A, K, Z, D, and O.

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18.If short is longer than long, what can you gather about sleep and awake?

text reading "sleep and awake are the same length"

Looking at the number of letters in each word, "short" has five letters and is longer than "long," with four letters. "Awake" and "sleep" both have five letters and are therefore the same length.

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19.Maggie is 21, and her brother Luis is double her age. How old will Luis be when Maggie is 40?

text reading "61 years old"

There is a 21-year age gap between Maggie and Luis, so when Maggie turns 40, Luis will be 61.

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20.Which does not belong: 1, 10, 100, or 10,000?

The rest are perfect square numbers.

The rest are perfect square numbers.

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21.If HISTORY = HIORSTY, then 4623581 = ?

The letters in the word

The letters in the word "history" have been rearranged in alphabetical order, so you'd rearrange the numbers in "4623581" in numerical order.

Elena Popova / Getty Images

22.Which square correctly fills in the blank?

Four trios of squares with numbers in them, across and bottom: 2, 3, 13; 4, 1, 9; 5, 2, 21; 3, 7, ?

43

Once the top two numbers are multiplied together, double the product and add one to find out the bottom number.

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23.Shirt is to closet as book is to ______.

Shelves with the word "shelf"
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24.Five friends are waiting in line to get coffee. Ross is behind Joey but not last. Chandler is behind Monica, who is in front of both Ross and Joey. Rachel is second. Who is at the front of the line?

"Monica"

The order of the line would be Monica in the front, then Rachel, Joey, Ross, and Chandler at the end.

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25.Which is the next number in this sequence? 21, 28, 29, 35, 37, 42 ...

The pattern is +7,+1,+6,+2,+5,+3...

The pattern is +7,+1,+6,+2,+5,+3...

Natalia Duryagina / Getty Images/iStockphoto

26.Michael shot a bottle rocket 60 feet with a 1-liter bottle. He shot a bottle rocket 75 feet with a 2-liter bottle. How far can he estimate the rocket will go with a 3-liter bottle?

One extra liter gave him 15 extra feet.

One extra liter gave him 15 extra feet.

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27.Every dog had a bone. Fido had a biscuit. What can you determine?

  Flavio Coelho / Getty Images
Flavio Coelho / Getty Images

28.Which number is represented by the pink dot?

3 pink circles added together=18; 1 purple+2 blue circles=19; 1 pink x 1 purple + 1 blue circle=20; 1 pink circle=?

2

Each of the blue circles is 6, the purple circle is 7, and that means the pink circle has to be 2.

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29.Jasmine is four times as old as her little sister, April. In 20 years, April will be half as old as Jasmine. How old could Jasmine be right now?

If Jasmine is 40 now, that would make her sister 10. In 20 years, her sister will be 30, half the age of Jasmine, who will be 60!

If Jasmine is 40 now, that would make her sister 10. In 20 years, her sister will be 30, half the age of Jasmine, who will be 60!

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30.If unscrambled, all of the words below would be a type of:

Glamfoni, genniup, chortis, meu

Bird

Flamingo, ostrich, emu, and penguin.

Audrey Engvalson / BuzzFeed / Getty Images

31.And which does not belong: 12, 4, 16, or 8?

clock with the number "16" overlaid

The other numbers appear on a standard analog clock.

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32.There are five sisters in a room. Anne is reading a book, Margaret is cooking, Kate is playing chess, and Marie is doing the laundry. What's the fifth sister doing?

Text reading "Playing chess with Kate" on blue background with rooks
Andrii Sedykh / Getty Images/iStockphoto

33.When unscrambled, which of these words is not like the rest?

Rotcar, ionno, caphe, tapoot, coilcrob, yercle

CAPHE

Unscrambled, all of these words (carrot, onion, potato, broccoli, and celery) are vegetables, with the exception of CAPHE, which unscrambles to "peach."

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This article contains content from Audrey Engvalson, Kat Angus, and just-another-stapler-in-jello. It was compiled by Kelly Rissman.