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hvordan derivere lnx 2 Riddles

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A 2 Number Riddle
Riddle:
Take two numbers, such that the square of the first, plus the square of the second, shall equal 8; while the first, plus the product of the first and second, shall equal 6. What are the two numbers?
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The Pawn Shop
Riddle:
Jack had only $2, but he needed $3 for his cab fare home. He went to a pawn shop and pawned his $2 for $1.50. Jack then bumped into Don and told him that he would sell him his $2 pawn ticket for $1.50. Dan agreed. Since Jack started out with $2, and he ended up with $3, who is out the extra dollar and why?
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Plus vs. Times
Riddle:
Given two 2s, "plus" can be changed to "times" without changing the results: 2 + 2= 2 x 2. The solution with three numbers is easy too: 1 + 2 + 3= 1 x 2 x 3. Now find the answer for 4 numbers and for 5 numbers.
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A Weird Pattern
Riddle:
123 = 0 4235 = 0 656 = 2 5390 = 2 8890 = 6 1001 = 2 19235 = 1 What is 123456789?
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A True Equation
Riddle:
Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.
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How Many Animals Are Going to the River?
Riddle:
1 duck saw 4 elephants as it was going toward the river. Every elephant noticed 2 monkeys going to the river. Every monkey was carrying 1 dove in its paws. How many animals are going to the river?
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Square Plus Square
Riddle:
Take two numbers, such that the square of the first, plus the square of the second, shall equal 8; while the first, plus the product of the first and second, shall equal 6. What are the two numbers?
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Half a Hole
Riddle:
If it takes 3 people to dig 1 hole how many people does it takes for 1/2 an hole?
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Taking Down 1000
Riddle:
What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?
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Part Chicken, Part Goat, Part Cat
Riddle:
What is 3/7 chicken, 2/3 cat and 2/4 goat?
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Crossing the Bridge
Riddle:
Four people need to cross a bridge in 17 minutes in the middle of the night. The bridge can only hold two or less people at any time and they only have one flashlight so they must travel together (or alone). The flashlight can only travel with a person so every time it crosses the bridge it must be carried back. Tom can cross in 1 minute, John can cross in 2 minutes, Sally can cross in 5 minutes, and Connor can cross in 10 minutes. If two people cross together they go as fast as the slower person.How can they cross the bridge in 17 minutes or less?
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The Magician and the Egg
Riddle:
A magician is standing on a concrete floor holding a raw egg with his hand outstretched. Without the aid of any other objects, he is able to drop the egg 2 feet without breaking its shell. How did he do it?
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Next Number
Riddle:
What is the next number in the sequence? 2, 3, 5, 9, 17, _
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What Makes This Equation True?
Riddle:
If 1+9+8=1, what is 2+8+9?
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Half of 5 is... 3?
Riddle:
If 1/2 of 5 is 3, then what is 1/3 of 10?
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What's the Next Number?
Riddle:
2, 3, 5, 9, 17, _ What is the next number in the sequence?
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The Two Kids
Riddle:
Mr. Thompson has 2 children. One of them is a boy. What are the odds the second kid is also a boy?
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Who will survive?
Riddle:
There are 2 people on a boat in the middle of a big lake. The boat begins to sink, but there is only one life jacket. Who will survive?
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Product Equals Sum
Riddle:
Our product and our sum always give the same answer. Who are we?
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Land of Make Believe
Riddle:
You are on your way to visit your Grandma, who lives at the end of the valley. It's her anniversary, and you want to give her the cakes you've made. Between your house and her house, you have to cross 5 bridges, and as it goes in the land of make-believe, there is a troll under every bridge! Each troll, quite rightly, insists that you pay a troll toll. Before you can cross their bridge, you have to give them half of the cakes you are carrying, but as they are kind trolls, they each give you back a single cake. How many cakes do you have to leave home with to make sure that you arrive at Grandma's with exactly 2 cakes?
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Buddy the Dog
Riddle:
The dog was wearing a 2-foot leash. When he saw a squirrel, he immediately started chasing it, and he was really able to catch the squirrel. How did the dog succeed?
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Break Without Touching
Riddle:
What can you break without ever touching it?
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An Egg to a Friend
Riddle:
Mike has some chickens that have been laying him plenty of eggs. He wants to give away his eggs to several of his friends, but he wants to give them all the same number of eggs. He figures out that he needs to give 7 of his friends eggs for them to get the same amount, otherwise there is 1 extra egg left. What is the least number of eggs he needs for this to be true?
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London to Berlin
Riddle:
You are the pilot on a plane flying from London to Berlin, with 2 transfers in Prague. What is the pilot's surname?
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