The Famous Light Bulb Brain Teaser Is Seriously Puzzling – See If You’re Bright Enough To Solve It

From time to time we like to share a really tough riddle with all of you, and this one captured our attention recently.

It managed to divide everyone in our office as we argued over how to solve it, but we promise there is an answer, and it can be solved.

See if you have the mind to un-puzzle this one, then share it with a friend to challenge them.

Here’s the brain teaser:

“Mr. Bright was doing some renovations on his home when he ran into an unusual problem.

Like a lot of renovation problems, it involved his home’s faulty wiring.

In Mr. Bright’s basement, there was a set of light switches.

A note from the home’s former owner explains that the three light switches are connected to three different light bulbs in the house’s attic.

a_roesler / Pixabay

Mr. Bright can’t see which light bulb turns on in the attic when he flips a switch in the basement.

While each switch is connected to just one light bulb, all three light bulbs and switches look exactly the same.

Because Mr. Bright is getting older, he doesn’t want to walk back up and down his stairs. He will flip as many switches as he needs to, then walk upstairs just once to identify how the switches and light bulbs are connected.

To be clear, there’s no way to turn the lights on or off once Mr. Bright walks out of the basement to check on them.

And no, Mr. Bright can’t use a dimmer switch, or ask someone else to help him.

So here’s the puzzle: how can Mr. Bright identify all three switches and lights in just one trip from the basement to the attic?

Take a guess, then see if you were right on the next page.

If You Can Solve This Ancient Brain Teaser In Under A Minute, Consider Yourself A Genius

Sometimes, we come across a puzzle so creative we just have to share it with you.

It turns out this one has been confounding clever minds since the 9th century, so if you can solve it in under a minute, consider us impressed.

“Once upon a time, a boy was walking along a river and saw a man in distress.

He asked the man what was wrong, and learned he was caught in an impossible problem.

The man had gone to the market that day and bought three things: a cabbage, a goat, and a wolf.

An illustration of the problem.Wikimedia

To get home, he had to cross a small river on a boat. But his boat was so small, it could only hold him and one of his purchases.

‘Why not take them across the river one-by-one?’ the boy asked.

The man revealed two more problems:

  • If the goat is left alone with the cabbage, it will eat it.
  • If the wolf is left alone with the goat, it will eat it.

The man was in tears, worrying he would never cross the river with all three of his purchases.

The young boy sat beside the man and thought quietly.

Eureka!’ he shouted at once, ‘I know the answer!'”

Did you solve the puzzle? Check your answer on the next page!

If You Can Solve These 13 Grade School Math Problems, You’re A Genius

Are you smarter than a fifth grader? No, we’re not offering a cash prize if you can prove it. But after struggling with these “easy” math questions we’d like to see how many you can solve.

We promise you don’t need a calculator for any questions, but keep a pencil and paper handy because the answers are on the last page!

1. Let’s start simple

A study in Japan found that 60% of people in their 20s got this question right, compared to 90% of older generations. We’re not sure what being a millennial has to do with math, but see if you can solve this equation.

Mind Your Decisions

2. What’s the ?

The aim of this puzzle is to solve what number is in the ? space. Yes, it’s really that simple. And no, we can’t give you any other clues.

3. The bat and the ball

easyWallz

This is an oldie but a goodie:

A baseball bat with a ball costs $1.10. The bat cost $1 more than the ball. How much does the ball cost?

4. Let’s Make a Deal

Damn Interesting

You’re competing on a game show where there are three doors. One door is hiding $1 million, the other doors are empty.

You pick door #1. The host opens door #3 and reveals that it is empty. He asks you if you want to keep door #1 or switch to door #2.

Which is the best answer?

5. Here’s a head-scratcher

Take a look at this equation and see if you can solve it:

What’s the answer?

6. Lily pad logic

TES.com

There’s a lake with a patch of lily pads growing on it. Every day, the patch doubles in size. If it takes 48 days to cover the whole lake, how long would it take to cover just half of the lake?

If those aren’t tough enough we have more questions, and of course the answers are on the last page.

Tough Wheel Of Fortune Puzzle Cost This Grandfather The $1 Million Prize

It’s easy to sit at home on your sofa and say “I could have gotten that question right,” but under the bright lights of a game show’s stage it’s a different story.

NBC

Laurel and her grandfather Frank found that out the hard way while competing on Wheel of Fortune this week. The show was in Disney World for a special “Grandparents Week,” but even after putting their heads together, Laurel and Frank couldn’t solve the final puzzle. And that’s a shame, because it was worth $1 million.

NBC

Since the show introduced its huge $1 million prize in 2008, just three contestants have manged to win it. To earn the top prize, a contestant needs to collect the $1 million wedge, solve the puzzle it comes on, and land on the $1 million space during their spin in the Bonus Round.

[youtube https://www.youtube.com/watch?v=V0pSaPSdvkA?feature=oembed]

And while all that takes good luck, it can seem like the $1 million wedge is actually a curse. A contestant lost his after solving – but mispronouncing – “CORNER CURIO CABINET.”

[youtube https://www.youtube.com/watch?v=dtSYXxoc0Zw?feature=oembed]

In another case of bad luck, an Indiana University student blew a puzzle he had already solved by mispronouncing “Achilles.” That slip of the tongue lost him $1 million, a car, and a trip to London.

But those clips don’t compare to the heartbreak we felt watching Frank miss his chance at $1 million. Let’s see if you can solve his puzzle:

NBC

Turn to the next page to check your answer.

Are These Shoes Grey, Or Pink? The Debate Is Tearing The Internet Apart

Cast your mind back, if you can, to the simpler days of 2015.

It was a time when all of our troubles seemed so far away, and debate over a dress that was black and blue – or white and gold, depending on who you asked – became an obsession for about a week. It seemed simple enough at first: the dress certainly looked blue, but more and more people insisted it was actually white.

The dress, photographed in the wild.SWNS

Even a photograph of the dress hanging in a store couldn’t settle the raging argument, and people came up with some far-fetched explanations about why the disagreement began in the first place. Was it a magic photo? Was someone secretly editing the picture to trick us?

A new viral image has brought that argument bubbling back to the surface, and if you still argue with family members about “the dress” to this day, expect to have strong feelings about “the shoe.”

The question is simple yet devious: is this Vans sneaker grey with teal laces, or pink with white laces? The answer might surprise you, and we promise there is an answer.

TV Host Goes Crazy Trying To Solve This Incredibly Tough Puzzle [Video]

The hunt for gold has driven mankind to do some very silly things, but this contest is definitely one of the strangest cases ever.

It takes place on the tiny Japanese island of Sado, where a historic gold mine operated for almost 400 years. Since it closed in the 1980s the mine has been turned into a museum, and along with lessons about the island’s history it holds a world-famous challenge for visitors.

The Sado Brick is a 27-pound solid gold brick, housed in a glass case. The contest is very simple: if you can reach through the 3.3 inch hole and pull out the brick (which is 3 inches wide at the base) you get a special prize. It’s deceptively simple, which is why it draws so many eager contestants.

[youtube https://www.youtube.com/watch?v=zVGHtJnmmsY?feature=oembed]

Unfortunately, once they get their hands on the solid brick they realize just how hard it is to pull it (and your hand) through the tiny hole. The challenge was so notoriously difficult that a TV host was called in to prove it was even possible.