Subcategory

Deduction Riddles

Part of Logic Riddles collection

Explore 20+ unique, interactive deduction riddles puzzles.

Use clues and eliminate possibilities to reach the correct answer. Sherlock Holmes-style logical deduction puzzles.

Interactive Riddle Challenge

Showing Deduction Riddles riddles

The Weighing Problem

You have 12 coins, one is fake (either heavier or lighter). Using a balance...

6,368 solved Deduction Riddles

The Two Children Problem

A woman has two children. One is a boy born on a Tuesday. What...

10,691 solved Deduction Riddles

You enter a hotel room. On the bed are 2 cats, 4 dogs, 1...

1,810 solved Bird Riddles

The Two Jugs Revisited

You have a 7-liter jug and an 11-liter jug. How do you measure exactly...

1,602 solved Deduction Riddles

The Calendar Deduction

If day before yesterday was Thursday, what day is the day after tomorrow?

11,965 solved Deduction Riddles

You are outside a room with 3 switches and 3 lamps inside. You cannot...

13,815 solved Deduction Riddles

The Pirates Gold

5 pirates must divide 100 gold coins. The most senior proposes, and all vote....

15,983 solved Deduction Riddles

The Envelope Swap

You pick one of two envelopes. It contains $10. The other contains either $5...

5,355 solved Deduction Riddles

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