Name a key which is hardest to turn.

What does Alexander the Great and Winnie the Pooh have in common?

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Why did Navjot Singh Sidhu put the new January calendar in the freezer

What question can you never answer yes to?

If six children and two dogs were under an umbrella, how come none of them got wet?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?