Find a 10-digit number where the first digit is how many zeros in the number, the second digit... Try Puzzle >>
Use the numerals 1, 9, 9 and 6 exactly in that order to make the following numbers: 28, 32,... Try Puzzle >>
How can I get the answer 24 by only using the numbers 8,8,3,3.
You can use add, subtract,... Try Puzzle >>
What 5-digit number has the following features:
If we put the numeral 1 at the beginning,... Try Puzzle >>
What 9-digit number has the following features:
It has all 9 digits from 1 to 9
It can... Try Puzzle >>
I have ten boxes which I want to pack into crates. Each crate can carry a maximum of 25 kg.
But... Try Puzzle >>
Last month I sent off for one of those kits which you can use to make your own Christmas Crackers.... Try Puzzle >>
Find a number with its letters in alphabetical order.
Example: "five" has "fiv"... Try Puzzle >>
When asked about his birthday, a man said:
"The day before yesterday I was only 25... Try Puzzle >>
Tim looked at his oven digital clock and noticed that each number was one higher than the number... Try Puzzle >>
Using 8 exactly eight times to make a 1000.
a) Using only + - * /
b) Also allowing... Try Puzzle >>
I am thinking of one of these five cards:
You have to try to find out which one I am... Try Puzzle >>
A popular mathematical pastime:
Use exactly four 4's to form every integer from 0... Try Puzzle >>
There is one four-digit whole number n, such that the last four digits of n2
are... Try Puzzle >>
Can you arrange the numerals 1 to 9 (1, 2, 3, 4, 5, 6, 7, 8 and 9) in a single fraction that... Try Puzzle >>
Tom asked his Granny how old she was. Rather than giving him a straight answer, she replied:
... Try Puzzle >>
Horace bought some cakes today
As explained in this song.
Now, as he took his... Try Puzzle >>
The box below is a Magic Square. This means that the numbers add up to the same total in every... Try Puzzle >>
Using the numerals 1,7,7,7 and 7 (a "1" and four "7"s) create the number... Try Puzzle >>
Hungry Horace went into the Music Shop to buy some musical sweets which they were selling.
There... Try Puzzle >>
One afternoon, Hungry Horace made a large number of mince pies for his Christmas party the... Try Puzzle >>
You have a mobile with a keyboard which consists of 10 digits and two symbols, [#] and [*],... Try Puzzle >>
A man who had lived at the highest-numbered address on his street moved to another house on... Try Puzzle >>
Here's a newspaper made of 8 large sheets of paper folded in half. The newspaper has 32... Try Puzzle >>
There are infinitely many formulas that will fit any finite series.
Try to guess the next... Try Puzzle >>
If one and a half hens lay one and a half eggs in one and a half days, how many eggs does one... Try Puzzle >>
Ludwig Bump runs the bank in Mathsville.
You have to help him, though, because he has forgotten... Try Puzzle >>
At a school fete people were asked to guess how many peas there were in a jar.
No one... Try Puzzle >>
25 people enter the picnic race.
But the track is narrow and only 5 can race at a time.... Try Puzzle >>
Two of the four jigsaw tiles have the same sum of their roots. Find these tiles.
Try Puzzle >>
Hungry Horace was copying down his Mathematics Homework the other day, but because he was in... Try Puzzle >>
I am thinking of a 6-digit number. The sum of the digits is 43.
And only two of the following... Try Puzzle >>
A pearl necklace has 33 pearls with the largest and most valuable in the middle.
Starting... Try Puzzle >>
Welcome to the strange mind of Eureka Blip.
He does not always think the same way as we... Try Puzzle >>
There were 100 chocolates in a box. The box was passed down along a row of people.
The... Try Puzzle >>
Age problems were quite the fashion in antiquity. Here is an example:
I have twice the age... Try Puzzle >>
A Teacher thinks of two consecutive numbers in the range 1 to 10, and tells Alex one of the... Try Puzzle >>
A teacher says:
The first student knows their product and the other one knows their... Try Puzzle >>
Two friends have a nice meal together, and the bill is $25
The friends pay $15 each, which... Try Puzzle >>
Three friends have a nice meal together, and the bill is $25
The three friends pay $10 each,... Try Puzzle >>
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