skip to main content


Random Puzzles 


??

Puzzle 1 


What comes next in this sequence:

hydrogen · helium · lithium · beryllium · boron · ?

workings hint answer print

?

Puzzle 2 


What letter comes next in this sequence:

X · L · C · D · ?

workings hint answer print

??

Puzzle 3 


In each of these sentences, can you replace the missing number.

The number is written as a word (e.g. five, twenty-four, thirty-three), and each sentence is correct after the replacement.

This sentence contains ? letters, one hyphen, two commas and a full stop.
Interestingly, this sentence contains ? letters, one hyphen, three commas and the final full stop.
Finally, this sentence contains ? letters, one hyphen, three commas and one full stop.

Puzzle Copyright © Kevin Stone

workings hint answers print

?

Puzzle 4 


Alex can eat 27 chocolates in an hour, Billie can eat 2 chocolates in 10 minutes, and Charlie can eat 7 chocolates in 20 minutes.

How long will it take them to share and eat a large box of 120 chocolates while watching a movie?

Puzzle Copyright © Kevin Stone

workings hint answer print