23 April 2017

22 April 2017

508. Move 2 to create 6 squares and 4 rectangles

Easy Medium Hard Extreme


Move only 2 matchsticks to create 6 squares and 4 rectangles. The following rules apply:

1. Squares must be equal in size
2. Rectangles must be equal in size
3. Not all squares or rectangles have to be connected

Show Answer

It is easy to see the 6 equal squares. The 4 equal rectangles are ACGE, BDHF, JLPN and KMQO.

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17 April 2017

507. Divide square into 4 equal parts

Easy Medium Hard Extreme


Add 9 matchsticks to the 4X4 square above to divide it into 4 equal parts. The 4 parts are allowed to have different shapes but the sizes must be exactly the same. No matchsticks may be broken.

14 April 2017

506. Triangle 3X3: Take away 6

Easy Medium Hard Extreme


Take away 6 matchsticks to leave only 4 triangles. Triangles don't have to be equal in size.

05 April 2017

504. Move 2 to create 9 squares

Easy Medium Hard Extreme


Move 2 matchsticks to create 9 squares. All the squares don't have to be equal in size.

Show Answer

Shown above are 8 squares of size 1X1 and 1 of size 2X2.

There are also other solutions.

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01 April 2017

503. Relationship of 4 figures

Easy Medium Hard Extreme


What is the relationship or link between the 4 figures above?

Show Answer

Remove the same 2 matchsticks from each figure and turn your head to the right. It forms the letters V W X Y.

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26 March 2017

502. Pathway with 19 matchsticks

Easy Medium Hard Extreme


19 matchsticks are used to form a pathway as shown above. The challenge is to start at a point, move in the direction of the matchstick heads and visit each of the 19 matchsticks only once.

A solution is not possible in the existing figure above, but by changing the direction of 2 matchsticks it can be achieved. Which 2 matchsticks would you change and can you find the route?

Show Answer

The direction of matchsticks 5 and 14 are changed.

The path starts with matchstick 1 and ends with matchstick 19.

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25 March 2017

501. Remove 1 leaving 9 squares

Easy Medium Hard Extreme


Take away 1 matchstick to leave you with only 9 squares. All squares don't have to be equal in size.

Show Answer

Don't miss the square of size 2X2.

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19 March 2017

500. Matchstick Grid: Count the heads

Easy Medium Hard Extreme


If you count the matchstick heads in each diagonal, vertical and horizontal row you will get to the numbers as shown above.

Your challenge is to rearrange the matchsticks to have:
- 4 heads in each row
- 4 heads in each column
- 5 heads in each diagonal row.

Your solution must still be a 2X2 matchstick grid.

18 March 2017

499. Rectangle 3X2: Move 3 to create 5 squares

Easy Medium Hard Extreme


There are a total of 8 squares in the figure above - 6 of size 1X1 and 2 of size 2X2.

Move 3 matchsticks to create only 5 squares. The 5 squares must be equal in size.

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There are also other solutions

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12 March 2017

498. Link between rows

Easy Medium Hard Extreme


Can you find the "link" between rows 1 and 2? If you can, you deserve winning the LOTTO!

Show Answer

Flipping Rows 1 and 2 vertically spells the word LOTTO.

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11 March 2017

497. Mathematical: 1 plus 4 is not 6

Easy Medium Hard Extreme


Move 2 matchsticks to make the equation true. Can you find both solutions?

05 March 2017

496. Triangle 4X4: Reduce to one quarter

Easy Medium Hard Extreme


Move 6 matchsticks to create a new shape one quarter of the original size.

04 March 2017

495. Rectangle 4X2: Remove 8 leaving 4 squares

Easy Medium Hard Extreme


Remove 8 matchsticks from the layout above to leave only 4 squares. The 4 squares must be equal in size and don't have to be connected.

Show Answer

There are also other solutions.

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01 March 2017

494. Move 3 to create 14 squares

Easy Medium Hard Extreme


Move 3 matchsticks to create 14 squares. The squares don't have to be equal in size.

Show Answer

There are 9 squares of size 1X1, 4 squares of size 2X2 and 1 square of size 3X3.

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26 February 2017

493. Divide the grid into the ratio 1:4:4

Easy Medium Hard Extreme


Place 6 matchsticks inside a 3X3 square as shown above. The square is divided into 3 parts in the ratio 2:3:4

Move only 1 matchstick on the inside of the square to change the ratio to 1:4:4

18 February 2017

492. Pathway with 7 matchsticks

Easy Medium Hard Extreme


7 matchsticks are used to form a pathway as shown above. The challenge is to start at a point, move in the direction of the matchstick heads and visit each of the 7 matchsticks only once.

A solution is not possible in the existing figure above, but by changing the direction of 3 matchsticks it can be achieved. How would you do this?

Show Answer

The directions of matchsticks 1, 2 and 5 are changed.

There are also other solutions.

Hide Answer

11 February 2017

491. Triangle 3X3: Remove 6 leaving 3 triangles

Easy Medium Hard Extreme


Remove 6 matchsticks leaving 3 triangles. The 3 triangles must be of 3 different sizes.

Show Answer

There are also other solutions

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04 February 2017

490. Move 3 to form 9 squares

Easy Medium Hard Extreme


Move 3 matchsticks to create 9 squares. The squares don't have to be equal in size.

Show Answer

There are 7 squares of size 1X1 and 2 squares of size 2X2. (ACGE and BDHF)

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28 January 2017

489. Mathematical: 1 plus 3 is not 2

Easy Medium Hard Extreme


Move 2 matchsticks to make the equation true.

You are good if you can find all 3 solutions.

20 January 2017

488. Four equal squares

Easy Medium Hard Extreme


Take away only 1 matchstick to leave 4 equal squares. All the squares must be connected and all matchsticks must form part of a square.

14 January 2017

487. The next number

Easy Medium Hard Extreme


Replace the "?" with the next number in the sequence.

Show Answer

Each figure has one node (connection of 2 or 3 matchsticks) less than the previous one.

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07 January 2017

486. Divide into 2 equal parts

Easy Medium Hard Extreme


Add 3 matchsticks to the shape above to to divide it into 2 equal parts.

02 January 2017

485. Rectangle 4X2: Take away 9 to leave 4 squares

Easy Medium Hard Extreme


Take away 9 matchsticks to leave 4 squares. The 4 squares must be equal in size.

Show Answer

There are also other solutions.

Hide Answer