Hard Logic Sequence Puzzle

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?




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We know that money can be names differently for the purpose it is used for. Some of the examples of money given at following places or for following activities:

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Do you know what do we call the money a husband gives to his wife?

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Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

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Can you identify the Oscar-winning movie from the rebus below?

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Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

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John and his team plan to rob a safe. They got just one chance to break the code else the local police will be informed. Below are clues:
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B) Everything is incorrect: 9 2 4
C) Two numbers are part of the code of the safe but are wrongly placed: 0 9 3
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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