A Special Something Shared

The numbers 3, 7, 8, 40, 50 and 60 all share something that no other whole number does. What is it?

When spelled out in English they each have exactly five letters.

Posted in Brain Teasers

What Do These Dates Have In Common?

What do these dates have in common?

15 February 1984
2 July 1983
16 December 1983

They all fall in the middle.
15 February was the middle of February (1984 being a leap year).
2 July was the middle day of the year 1983.
And 16 December was the middle of December.

Posted in Brain Teasers

Round Like An Apple

Round like an apple, deep like a cup,
yet all the king’s horses cannot pull it up.

A well.

Posted in Riddles

I Am Worthless

I am worthless, yet when added to others I add worth.
I confounded the ancient Greeks, yet I changed men’s understanding.

What am I?

0 (Zero).

Zero is nothing, yet when you add zeroes to a number like 1, it becomes 10, 100 or 1,000.

The ancient Greeks did not have a name for zero and did not use a placeholder. They seemed unsure about the status of zero as a number, philosophizing about how nothing could be something. Once zero was added, it allowed for more mathematical understanding.

Posted in Riddles
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Next in the Sequence

Here is a series of numbers. What is the next number in the sequence?

1
11
21
1211
111221
312211

13112221

The next number in the series counts the previous numbers. Thus the first number is 1, which is one 1, or 11. To describe 11, you have two 1’s, or 21. Now you have one 2 and one 1, so the next number is 1211. The solution is to continue describing the previous number using only numbers.

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Ex-Spouse’s Former Daughter-In-Law

What do you call your ex-spouse’s former daughter-in-law’s first husband’s daughter?

You can call them whatever you want, but they have no familial relationship to you.

Posted in Brain Teasers

The Case of the Missing Matchstick

Chuck and Ruby were going to meet at a hotel for their anniversary dinner, but Ruby didn’t show. Chuck was angry and left her a passive aggressive message on their kitchen table in the form of fifteen matchsticks spelling “hotel” and went to bed. When Ruby got home and saw the matchsticks, she removed one and went to bed. When Chuck woke up the next morning and saw Ruby’s new message, he realized his mistake. Which stick did Ruby remove and what was the new message?

Matchsticks

Ruby had removed the top of the T and the new message could be seen upside down from where Chuck sat at his breakfast of sadness and anger. What he saw was 7 3 1 0 4, or 7/31/04, the date of their anniversary. In his excitement, Chuck had gone to the restaurant a day early, on July 30th. All was forgiven by both parties and Chuck and Ruby had a wonderful dinner together. They also promised to buy a whiteboard for the kitchen so they wouldn’t have to use matchstick messages ever again.

Posted in Brain Teasers

Graphical Rebus Five

What does this rebus represent?

Rebus

I Feel the Earth Move

Posted in Riddles
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More Than a Few

Nothing specific,
but more than a few.
This many clustered
together will do.

Bunch. It’s a vague term that means more than a few. And clustered items like bananas, grapes or celery come in bunches.

By Sef Daystrom

Posted in Riddles

Always Coming But Never Arrives

What is always coming but never arrives?

Tomorrow.

Posted in Riddles