HARD Penny Dell Logic Problems - Logic brain teasers

Penny Dell magazine offers Logic Puzzles for dedicated enthusiasts of logical challenges. Begin with the first ten puzzles available for free, featuring all functionalities and free of advertisements or intrusive prompts. If you find it enjoyable, you can purchase thirteen additional volumes, each containing thirty distinct puzzles that promise hours of engaging challenge.

Challenge your intellect with these engaging logic problems designed to sharpen your reasoning skills — perfect for those interested in enhancing their deductive abilities! Each volume provides a diverse selection of puzzles.

No need to worry about erasing mistakes! The multi-level undo option and Auto-X feature allow you to concentrate on solving the puzzles. If you find yourself at a standstill, you can opt to remove errors, receive a helpful hint, or examine a complete worked-out solution, just like in the magazines.

This application is optimized for larger displays, though you can adjust the grid size to suit any screen — from mobile devices to large tablets.

Are you seeking more challenging puzzles? For example, 7-cell grids? Explore our Logic Puzzles app featuring puzzles crafted by Puzzle Baron.

Developed by Egghead Games, this quality software is ready to provide you with an enjoyable puzzling experience.

Walkthrough

Level 1: Alien Invasion

Objective: Determine which alien is from which planet.

1. The purple alien is not from Rigel.

2. The alien from Betelgeuse is not green.

3. The orange alien is either from Rigel or Alpha Centauri.

4. The green alien is not from Procyon.

Solution:

1. Betelgeuse - Orange

2. Alpha Centauri - Purple

3. Procyon - Green

4. Rigel - Blue

Level 2: Wedding Bells

Objective: Determine which bride wore which dress, held which bouquet, and carried which wedding ring.

1. The woman who wore the satin dress did not carry the diamond ring.

2. The red dress was not worn by the woman who carried the lily bouquet.

3. The woman who wore the sequin dress did not carry the rose bouquet.

4. The woman who carried the daisy bouquet did not wear the lace dress.

5. The woman who carried the lily bouquet did not wear the taffeta dress.

6. The woman who wore the silk dress carried the sapphire ring.

7. The woman who wore the satin dress carried the amethyst ring.

Solution:

1. Lace Dress - Daisy Bouquet - Diamond Ring

2. Taffeta Dress - Lily Bouquet - Sapphire Ring

3. Red Dress - Rose Bouquet - Emerald Ring

4. Sequin Dress - Daffodil Bouquet - Ruby Ring

5. Satin Dress - Lily Bouquet - Amethyst Ring

6. Silk Dress - Rose Bouquet - Topaz Ring

Level 3: School Daze

Objective: Determine which student is in which class, which teacher they have, and what their favorite subject is.

1. The student in Ms. Anderson's class does not like math.

2. The student in Mr. Carlson's class likes history.

3. The student in Ms. Barnes' class is not the one who likes science.

4. The student who likes math is not in Ms. Carlson's class.

5. The student in Mr. Barnes' class likes English.

6. The student who likes science is not in Ms. Carlson's class.

Solution:

1. Mr. Barnes' class - Alex - English

2. Ms. Anderson's class - Brian - History

3. Ms. Carlson's class - Claire - Math

4. Mr. Barnes' class - David - Science

5. Ms. Barnes' class - Emily - Science

6. Ms. Carlson's class - Fiona - History

Level 4: Water, Water Everywhere

Objective: Determine which fish is in which aquarium, which aquatic plant is in which tank, and which water conditioner is used for each.

1. The guppy is not in the tank with the anacharis.

2. The aquarium with the hornwort does not use AquaShield.

3. The aquarium with the java fern has the zebra danio.

4. The aquarium with the java moss does not have the harlequin rasbora.

5. The aquarium with the marimo moss ball uses StressGuard.

6. The aquarium with the harlequin rasbora does not have the anubias.

Solution:

1. Aquarium 1 - Zebra Danio - Anubias - AquaShield

2. Aquarium 2 - Neon Tetra - Hornwort - Prime

3. Aquarium 3 - Guppy - Java Fern - StressGuard

4. Aquarium 4 - Harlequin Rasbora - Java Moss - pH Down