Odd Number Puzzle

Can you find the odd number in the following?

2716, 4135, 5321 and 7145




Similar Riddles

You are a prisoner sentenced to death. The Emperor offers you a chance to live by playing a simple game. He gives you 50 black marbles, 50 white marbles, and 2 empty bowls. He then says, 'Divide these 100 marbles into these 2 bowls. You can divide them any way you like as long as you use all the marbles. Then I will blindfold you and mix the bowls around. You then can choose one bowl and remove ONE marble. If the marble is WHITE you will live, but if the marble is BLACK... you will die.'

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Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.