A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child. Where's the father?
What am I?
When we see 2 but call 10?
Whats the next number in the below number sequence pattern.
Which digit occurred maximum times between the number 1 and 1000?
What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
A mile-long train is moving at sixty miles an hour when it reaches a mile-long tunnel. How long does it take the entire train to pass through the tunnel?
1. What does: TIM JOB represent? 2. What does: MO_ _ represent?
What can you see in the middle of March and April that you can never see in any other month?
I am the beginning of the end, and the end of time and space. I am essential to creation, and I surround every place. What am I?
What do the following words have in common? Assess Banana Dresser Grammar Potato Revive Uneven Voodoo
There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.
