Hard Series

What is the next number in this series?

4,12,84,3612....




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Can you write down eight eights so that they add up to one thousand?

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What Deficiency does the below rebus represent?

VIT_MIN

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Can you replace the question mark with the correct letter?

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Trying to tease Birbal, Akbar gave him one gold coin and ask him to buy
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What must Birbal buy to silence Akbar?

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Luis Garavito killed Density x Volume.

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I’m tall when I’m young, and I’m short when I’m old. What am I?

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A person was killed at a house party. When the police arrive, there are six people present in the house who are the friends of the victim. The name of the friends is Rohit, Aman, Nick, Gagan, and Randy.

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John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

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Dog and Visitor Riddle

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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