Riddles and Brain Teasers

White, Round Not Always Around

I’m white, I’m round, but not always around. Sometimes you see me, sometimes you don’t. What am I?

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The moon.

Posted in Riddles

Four Nines To Make a Hundred

How can you make four 9’s equal 100?

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99 9/9 = 100

Posted in Brain Teasers

Ten Times Two is 0218

10 × 2 = 0218
20 × 2 = 1421
30 × 2 = 1632
40 × 2 = ?

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2840.This makes the first column the start of the Fibonacci series: 0, 1, 1, 2.
The second column is the even numbers: 2, 4, 6, 8
The third column is counting up by ones: 1, 2, 3, 4
And the last column is the answer in the first row in reverse: 8, 1, 2, 0.Don’t ask what 50 × 2 equals. I have no idea. :)Thanks to Jim for helping with the solution.

2840.

This makes the first column the start of the Fibonacci series: 0, 1, 1, 2.
The second column is the even numbers: 2, 4, 6, 8
The third column is counting up by ones: 1, 2, 3, 4
And the last column is the answer in the first row in reverse: 8, 1, 2, 0.

Don’t ask what 50 × 2 equals. I have no idea. :)

Thanks to Jim for helping with the solution.

Posted in Brain Teasers

Tagged with Series

Cops Close Cellar Corpse

Replace the letters with numbers to make this a valid mathematical equation.

    COPS
   CLOSE
  CELLAR
  CORPSE
    CASE
+ COLLAR
--------
  RECTOR

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Posted in Brain Teasers

Asks No Questions

What asks no questions but receives lots of answers?

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A phone or doorbell.

Posted in Riddles

Brothers And Sisters Of Leopold

If Leopold had one more sister he would have twice as many sisters as brothers.
If he had one more brother he would have the same number of each.

How many brothers and sisters does Leopold have?

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Three sisters and two brothers.

Posted in Brain Teasers

A Seed of Three Letters

I am a seed, three letters in the name,
Take away two and I sound quite the same.

What am I?

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Pea.

Posted in Riddles

Cornelius and the Flat Tire

Cornelius got a flat tire on a miserable, rainy day. As he was changing it on the side of the road, he placed the four lug nuts in the overturned hub cap. As our dear friend was moving back to put on the spare, he accidentally bumped the hub cap. He watched helplessly as all four lug nuts rolled into a deep sewer and were whisked away. Then our friend had a brilliant solution and within minutes was driving safely away.

What was his solution?

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He removed one lug nut from each of the other 3 tires and used them to secure the spare tire, then drove to a tire shop.

Posted in Brain Teasers