• 1. The newest flags are the blue one and the Angolan one.
  • 2. Bhutan either has a golden flag or adopted the flag in 1971. Bhutan's flag has no maroon.
  • 3. Among the Ukrainian flag and the flag with maroon, one is from 1992 and the other contains white.
  • 4. Black color wasn't chosen in 1971, nor by Ukraine. However, black was chosen before yellow.
  • 5. Red color wasn't chosen in 1969, nor it was paired with orange.
  • 6. The orange flag is older than Qatar's one.
  • 7. Qatar's flag was adopted immediately after the flag containing gold.
  • 1. The newest flags are the blue one and the Angolan one.
  • 2. Bhutan either has a golden flag or adopted the flag in 1971. Bhutan's flag has no maroon.
  • 3. Among the Ukrainian flag and the flag with maroon, one is from 1992 and the other contains white.
  • 4. Black color wasn't chosen in 1971, nor by Ukraine. However, black was chosen before yellow.
  • 5. Red color wasn't chosen in 1969, nor it was paired with orange.
  • 6. The orange flag is older than Qatar's one.
  • 7. Qatar's flag was adopted immediately after the flag containing gold.

Observation: This table is automatically filled accordingly to the grid.

How to play

  • Start by reading all the clues;
  • Find the most basic clues and use the grid to mark them on it;
  • Use logic deduction to find propositions that are not explicit;
  • Click on a clue to mark it as used;
  • The answer table is filled automatically.

More Logic Grid Puzzles

See our logic grid puzzles list.

Need help?

If, after reading the instructions, you still don't understand how to play, try playing one of these simpler logic grids puzzles. They are "very very easy".

Printable version

You can download the PDF version of this logic grid puzzle.

Visit our Printable Logic Grid Puzzles page to download and print other Logic Grid Puzzles.

More games

Einstein's Riddle
Einstein's Riddle

Einstein said that only 2% of the world could solve this problem. Can you do it?

Sudoku
Sudoku

Play the classic japanese logic game.

Zebra Puzzles
Zebra Puzzles

Use logic deductions to solve problems that are similar to the Einstein's Riddle.

Self-Referential Quiz
Self-Referential Quiz

Quizzes where you only need logic to solve them.