22 May 2016

375. Cocktail to house

Easy Medium Hard Extreme


Shown above are 2 cocktail glasses. The distance between A and B is exactly the length of 1 matchstick. Move 6 matchsticks to change the cocktail glasses into a house.

21 May 2016

374. Pentomino shapes in a row

Easy Medium Hard Extreme


Each pentomino shape above is placed on a specific position within the row. Can you figure out what it represents?

Show Answer

If you turn your head 45 degrees to the left you will see it represents the last 4 letters of the alphabet - W X Y Z.

Hide Answer

20 May 2016

373. Move 4 to create 6 squares

Easy Medium Hard Extreme


There are 4 squares in the figure above. Move 4 matchsticks to create 6 squares. All the squares don't have to be equal in size and don't have to be flat on the surface.

15 May 2016

372. Create 4 triangles

Easy Medium Hard Extreme


You would have to think out of the box with this one!

Move 1 matchstick to show there are 4 triangles.

14 May 2016

371. Mathematical: 7 plus 1 is not 0

Easy Medium Hard Extreme


It is true that 7 - 7 = 0 by moving 1 matchstick. However, the challenge here is to move 2 matchsticks to make the equation true.

10 May 2016

370. Remove 4 to create 5 squares

Easy Medium Hard Extreme


Remove 4 matchsticks to create 5 squares. The squares don't have to be equal in size.

Show Answer

1X1 squares:
ABFE
BCGF

2X2 squares:
DFLN
EGKM
FHJL

Hide Answer

08 May 2016

369. Reduce area to 5/9 of original

Easy Medium Hard Extreme


Move 4 matchsticks to reduce the area of the triangle to 5/9 of the original area.

Show Answer

There are also other solutions.

Hide Answer

07 May 2016

368. Move 4 to create 6 squares

Easy Medium Hard Extreme


Move 4 matchsticks to create 6 squares. The squares don't have to be equal in size.

Show Answer

1X1 squares:
BCDL
JLKM
HMFG

2X2 squares:
ABKH
JDEF

3X3 square:
ACEG

Hide Answer

06 May 2016

367. Mathematical: 3 minus 2 is not 9

Easy Medium Hard Extreme


Move 2 matchsticks to make the equation true.

02 May 2016

366. Digital Clock: 6H27 am

Easy Medium Hard Extreme


The time on a digital clock is 6H27 am as shown above. Move 3 matchsticks to show the time 2 hours and 34 minutes later.

01 May 2016

365. The farmer and his 4 sons and windmills

Easy Medium Hard Extreme


A farmer wants to divide his farm between his 4 sons. The 4 farms should each be:
1. equal in size
2. equal in shape
3. have a windmill (broken matchstick)

Can you achieve all of the above by adding 5 matchsticks?

30 April 2016

364. Reduce the area to 5 square units

Easy Medium Hard Extreme


If the length of 1 matchstick is 1 unit, the area of the shape above is 9 square units. Move 4 matchsticks to change the area to 5 square units.

27 April 2016

363. Moving geometric shapes

Easy Medium Hard Extreme


The geometric shapes in the figure above are:

A: hexagon
B: square
C: rhombus
D: equilateral triangle
E: trapezoid
F: rhombus

Remove the 7 matchsticks INSIDE the big shape. The OUTSIDE matchsticks must stay in exactly the same position. The challenge now is to place the 7 matchsticks back into the big shape, but with the 6 geometric shapes above all in different positions.

24 April 2016

362. Move 3 to create 4 rhombuses

Easy Medium Hard Extreme


Move 3 matchsticks to create 4 rhombuses. (also known as diamonds) All matchsticks must remain flat on the surface.

23 April 2016

361. Noughts and crosses board

Easy Medium Hard Extreme


Place the 6 broken matchsticks on the noughts and crosses board so that there are not more than 2 broken matchsticks in any row. Rows could be vertical, horizontal or diagonal.

Show Answer

There are also other solutions.

Hide Answer

20 April 2016

360. Creating a circle

Easy Medium Hard Extreme


Create a circle by rearranging the 8 matchsticks above. All the matchsticks must be flat on the surface.

(You should think out of the box with this one. The solution is not perfect but almost perfect.)

Show Answer

The circle is in the middle.

Hide Answer

19 April 2016

359. Change the arrows

Easy Medium Hard Extreme


The 2 arrows above are pointing in a Westerly direction. Move 4 matchsticks to make it point in a South-Westerly direction.

17 April 2016

358. Move 1 to create 3 squares

Easy Medium Hard Extreme


Move only 1 matchstick to create 3 squares.

15 April 2016

357. Staggered triangles

Easy Medium Hard Extreme


Move 3 matchsticks to create 4 equilateral triangles (i.e. all three sides of one triangle are equal). The triangles don't have to be equal in size, but all matchsticks must be flat on the surface.

10 April 2016

356. Move 1 to make equation true

Easy Medium Hard Extreme


Move only 1 matchstick to make the equation true.

09 April 2016

355. Move 4 to create 5 rhombuses

Easy Medium Hard Extreme


Move 4 matchsticks to create 5 rhombuses. (also called diamonds) All the rhombuses don't have to be equal in size.

03 April 2016

354. Divide the figure into 2 equal areas

Easy Medium Hard Extreme


Add 2 matchsticks to the figure above to create 2 areas equal in SIZE and SHAPE.

02 April 2016

353. Roman numerals: 6 plus 2 is not 5

Easy Medium Hard Extreme


Move only 1 matchstick to make the equation true.

28 March 2016

352. Move 5 to create 3 rhombuses

Easy Medium Hard Extreme


Move 5 matchsticks to convert the 3 triangles into 3 rhombuses. All matchsticks must be flat on the surface.

27 March 2016

351. Move 2 to create 7 squares

Easy Medium Hard Extreme


Move only 2 matchsticks to create 7 squares. There are 3 rules:

1. All the matchsticks must be flat on the surface.
2. The squares don't have to be equal in size.
3. The squares don't have to be linked.