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?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

Can you find the thief by just looking at the picture below?

Before Mount Everest was discovered, what was the highest mountain in the world?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What breaks yet never falls, and what falls yet never breaks?

John drives to his office at 20km/hr. After reaching the office, he realizes that today is a holiday. He went back at an average speed of 30km/hr. Discounting the time spent in the stoppage what was the average speed of his journey?

Women do it once a year after they turn 19 but men get to do it only once in a lifetime. What is it?