Hard Series

What is the next number in this series?

4,12,84,3612....




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One absent-minded ancient philosopher forgot to wind up his only clock in the house. He had no radio, TV, telephone, internet, or any other means for telling time. So he travelled on foot to his friend's place a few miles down the straight desert road. He stayed at his friend's house for the night and when he came back home, he knew how to set his clock. How did he know?

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What does this simple rebus mean?

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Can you find the odd number in the following?

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When my father was 31 I was 8. Now he is twice as old as me. How old am I?

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Amazing Facts

Word ladder puzzle

The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.