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POW: 08-07-2017

Riddle:

What's the least number of chairs you would need around a table to sit four fathers, two grandfathers, and four sons?

Answer:

Four. The four fathers could be grandfathers and are definitely sons already.

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POW: 07-31-2017

Riddle:

In a pond there are some flowers with some bees hovering over them. How many flowers and bees are there if both the following statements are true: 1. If each bee lands on a flower, one bee doesn't get a flower. 2. If two bees share each flower, there is one flower left out.

Answer:

4 bees and 3 flowers.

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POW: 07-24-2017

Riddle:

There are 2 ducks in front of 2 other ducks. There are 2 ducks behind 2 other ducks. There are 2 ducks beside 2 other ducks. How many ducks are there?

Answer:

Just four, in a square formation.

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POW: 07-17-2017

Riddle:

How do you make the number 7 an even number without addition, subtraction, multiplication or division?

Answer:

Drop the "S".

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POW: 07-03-2017

Riddle:

There is a certain family with both girl and boy children. Each of the boys has the same number of brothers as he has sisters. Each of the girls has twice as many brothers as she has sisters. How many boys and girls are there in this family?

Answer:

Four boys and three girls.

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POW: 06-19-2017

Riddle:

I am four times as old as my daughter. In 20 years time I shall be twice as old as her.


How old are we now?

Answer:

I am 40 and my daughter is 10.

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POW: 06-12-2017

Riddle:

How many pluses should we put between the digits of 987,654,321 to get a total of 99, and where?

Answer:

9 + 8 + 7 + 65 + 4 + 3 + 2 + 1= 99

9 + 8 + 7 + 6 + 5 + 43 + 21= 99

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Riddle:

You are on an island in the middle of a lake. The lake is in a remote part of the country and there has never been a bridge connecting the island to the mainland.

Every day a tractor and wagon gives hay rides around the island. Puzzled as to how the tractor had gotten onto the island, you ask around and find out that the tractor was not transported to the island by boat or by air. Nor was it built on the island.

Explain how the tractor got there?

Answer:

It was driven over in winter when the lake was frozen.

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POW: 05-29-2017

Riddle:

When I asked her how old she was, she smiled and said cryptically: "The day before yesterday I was 22, but next year I'll be 25." What is her birthday and when was the date of our conversation?

Answer:

We conversed on January 1 and her birthday is on December 31.

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POW: 05-22-2017

Riddle:

When the celebrated German mathematician Karl Friedrich Gauss (1777-1855) was nine he was asked to add all the integers from 1 through 100. He quickly added 1 to 100, 2 to 99, and so on for 50 pairs of numbers each adding to 101.


Answer: 50 X 101=5,050.


Now find the sum of all the digits in integers from 1 through 1,000,000,000.


That's all the digits in all the numbers, not all the numbers themselves.

Answer:

The numbers can be grouped by pairs:

999,999,999 and 0;

999,999,998 and 1'

999,999,997 and 2;

and so on....

There are half a billion pairs, and the sum of the digits in each pair is 81. The digits in the unpaired number, 1,000,000,000, add to 1. Then:

(500,000,000 X 81) + 1= 40,500,000,001.

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