Can you solve five brain-bending questions from Ukraine’s puzzle family? | Life and style

The outline of which flag can be drawn by one line without going through the same place twice?

Czech Republic

Estonia

Finland

Italy

Ukraine

UAE

The rocket ship is painted in three colours. Which colour has the smallest total area?

Divide the shape into five identical parts, cutting along the lines of the grid. Parts may be rotated or reflected.

Each letter in this code for the Ukrainian language is folded from the blue-yellow paper strip. Which strip is the longest?

The Christmas tree is decorated with four garlands of seven bulbs each. Some bulbs contain numbers. Fill in all the vacant bulbs with numbers 1 through 7 (a number per bulb) so that each garland and any straight line of bulbs parallel to the sides of the Christmas tree (horizontal and diagonal) contains seven different numbers.

The answers

1 | Unicursal Flag

Only the Ukrainian flag can be drawn by one line without going through the same place twice

2 | Rocket ship

The green colour is of the smallest area – 13 small triangles

3 | Divide into five

4 | UKR

K and R letter strips have the same length of 16 squares

U = 10
K = 16
R = 16

5 | Christmas tree strimko

The Christmas tree is decorated with four garlands of seven bulbs each. Some bulbs contain numbers. Fill in all the vacant bulbs with numbers 1 through 7 (a number per bulb) so that each garland and any straight line of bulbs parallel to the sides of the Christmas tree (horizontal and diagonal) contains seven different numbers.

The Grabarchuk family are donating their fee for these puzzles to charities working in Ukraine. For more of their games, go to grabarchukpuzzles.com

All images © The Grabarchuks