Odd Number Puzzle

Can you find the odd number in the following?

2716, 4135, 5321 and 7145




Similar Riddles

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

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10+10 and 11+11 can give you the same answer.

Explain how?

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There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

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Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

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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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Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

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what's the probability of getting a king or a queen from a pack of 52 cards?

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What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

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What is full of holes but still holds water?

Full of holes riddle

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You need to arrange three 7 and mathematical symbols to form number 1?

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Amazing Facts

No Solution

In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki