Hard Series

What is the next number in this series?

4,12,84,3612....




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What four weights can be used to balance from 1 to 30 pounds?

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Solve the equation by replacing the alphabet with numbers.

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A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

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Survive in Jungle

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What is the next number in the series?

15 29 56 108 208 ?

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I have some blue and red sock in my drawer. I have a total of 4 socks. I pick 2 socks and the chance that I get a pair of red socks is 1/2.

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.