• 1. Exactly one of the drivers has the same initial in their name and in the color of their car.
  • 2. The second pump filled 2 gallons less than the first one, but 2 gallons more than Emma's station.
  • 3. Grace doesn't own a blue car, didn't fill 10 gallons, and wasn't served at fourth station.
  • 4. The gray car was served at the pump previous to Emma's one.
  • 5. Benjamin used the third pump or filled 12 gallons.
  • 6. The blue and black car were filled with a total of 18 gallons.
  • 7. The black car filled 10 gallons or it was on third pump.
  • 8. Benjamin wasn't at the fourth pump.
  • 9. The second pump served 8 gallons or filled the black car.
  • 1. Exactly one of the drivers has the same initial in their name and in the color of their car.
  • 2. The second pump filled 2 gallons less than the first one, but 2 gallons more than Emma's station.
  • 3. Grace doesn't own a blue car, didn't fill 10 gallons, and wasn't served at fourth station.
  • 4. The gray car was served at the pump previous to Emma's one.
  • 5. Benjamin used the third pump or filled 12 gallons.
  • 6. The blue and black car were filled with a total of 18 gallons.
  • 7. The black car filled 10 gallons or it was on third pump.
  • 8. Benjamin wasn't at the fourth pump.
  • 9. The second pump served 8 gallons or filled the black car.

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

Logic Equations
Logic Equations

Using logic and basic algebras, solve the equations.

Self-Referential Quiz
Self-Referential Quiz

Quizzes where you only need logic to solve them.

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.