01/04/2013 - How Many Triangles 4 (**)

This puzzle is rated 2 star (medium).

Description

Make sure you can clearly see the image shown above.

Puzzle
How many triangles are there in the shape shown above?

Check the solutions page for the correct answer.

25/03/2013 - When? 2 (**)

This puzzle is rated 2 star (medium).

Description

Nine days ago, the day before yesterday was three weeks before a party.

Puzzle
If it is Sunday, what day of the week is the party on?

Check the solutions page for the correct answer.

21/03/2012 - Countdown (**)

This puzzle is rated 2 star (medium).

Description
Here in the UK there is a TV programme called "Countdown".  Countdown is primarily about creating words from randomly chosen letters, but there is a couple of rounds based around numeracy.  Basically the contestant picks a random set of numbers and using only the numbers a maximum of 1 time and the operations add, subtract, multiply and divide he has to make a total.

Sometimes these are hard to get...

Puzzle
Using the rules of Countdown outlined above to make 446 using the numbers 100, 6, 2, 8, 9 and 5.

Check the solutions page for the correct answer.

20/03/2013 - Dominoes 2 (**)

This puzzle is rated 2 star (medium).

Description

Use above and imagine (or use) 4 dominoes labelled 6:6, 6:2, 2:5, 3:1, 1:5, 4:6, 5:6, 3:3 and 2:1.

Puzzle
Place the dominoes 6:6, 6:2, 2:5, 3:1, 1:5, 4:6, 5:6, 3:3 and 2:1, so that the correct numbers are covered by the dominoes.

Check the solutions page for the correct answer.

19/03/2013 - Alphamaths (**)

This puzzle is rated 2 star (medium).

Description

 

Decription

1. A is one-third of C and one-quarter of G
2. G is ten lower than H
3. H is double the value of F, but four lower than B
4. B is six higher than D
5. D is double the value of E
6. the value of E is lower than G

Puzzle
From the following six clues, find the values of the letters A to H. Each letter contains a different whole number in the range 1-30.

Check the solutions page for the correct answer.