The Fish Tank Puzzle

There are 10 fish in my fish tank. Suddenly, two of them drown, three of them swim away, and four of them die. How many fish are left in the tank?

10 fish.

Explanation:

  • Fish can’t drown, so the two that “drown” are still in the tank.
  • Fish in a tank can’t swim away, so the three that “swim away” are also still in the tank.
  • Even if four fish die, their bodies remain in the tank.
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The Three Left Turns Mystery

A man leaves home, makes three left turns, and returns home to find two masked men waiting for him. What is happening?

He’s playing baseball.

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The Hidden Treasure Puzzle

I am hidden under layers of earth, waiting to be found. I hold the story of life, but I am not alive. What am I?

A fossil.

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The Airport Smuggler Puzzle

Riddle:
Two ladies were detained by security officers at an airport—one of whom claimed to be a computer scientist and one of whom claimed to be a geographer. One of them was secretly a smuggler!

A security officer asked the supposed computer scientist, “Do you know about the Gava computer program?”. The woman answered, “Do you mean Java?”.

The security officer then asked the supposed geographer, “Have you ever been to the capital of Spain, that is, Granada?”. The geographer said, “Yes! It’s a beautiful city!”.

Who was the smuggler?

The geographer was the smuggler.

Explanation:
The capital of Spain is Madrid, not Granada. A true geographer would know this. Her incorrect response reveals that she is pretending to be a geographer, making her the smuggler.

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The Egg Laying Puzzle

Three hens lay three eggs in three days. How many eggs do 15 hens lay in 15 days?

75 eggs.

Explanation:

If three hens lay three eggs in three days, then one hen lays one egg in three days.
In 15 days, one hen will lay five eggs (since 15 ÷ 3 = 5).
Therefore, 15 hens will lay 15 × 5 = 75 eggs in 15 days.

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The Unseen Presence Puzzle

Sometimes I am born in silence, Other times, no. I am unseen, But I make my presence known. In time, I fade without a trace. I harm no one, but I am unpopular with all. What am I?

A fart.

Explanation:
Farts can be silent or noisy. They are unseen but make their presence known through smell. Over time, the smell fades away, leaving no trace. While harmless, they are generally considered unpleasant or embarrassing.

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The Patterned Names Puzzle

A pregnant lady named her children: Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child? Jessica, Katie, Abby, or Tilly?

Explanation:
The names follow the musical scale: Do, Re, Mi, Fa, So, La, Ti.

  • Dominique
  • Regis
  • Michelle
  • Fawn
  • Sophie
  • Lara

The next note in the scale is Ti, so the next child will be named Tilly.

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The Colorful Transition Puzzle

A time when they are green, a time when they’re brown, but both of these times, cause me to frown. But just in between, for a very short while, they’re perfect and yellow and cause me to smile! What am I talking about here?

Bananas.

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The Math Trick Puzzle

Pick a number from 1 to 10. Multiply it by 2, add 10, divide it by 2, and then subtract the number you picked. What is it?

The answer is 5.

Explanation:
Let the number you pick be xx:

  1. Multiply it by 2:
    2x2x
  2. Add 10:
    2x+102x + 10
  3. Divide it by 2:
    2x+102=x+5\frac{2x + 10}{2} = x + 5
  4. Subtract the original number (xx):
    x+5−x=5x + 5 – x = 5

The result is always 5, regardless of the number you start with.

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