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 is black when you buy it, red when you use it, and gray when you throw it away?

Which English verb becomes past tense just by rearranging the letters?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

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?

A boy purchased a book from a bookkeeper and gave him $100.
The cost of the book is $50 but the bookkeeper has no change, so he gets the change from the next shop and returns the boy his $50.

After some time the next shopkeeper came with the $100 note and told the bookkeeper that the note was a fraud, so he took the money back.

How much loss did the bookkeeper face?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

who is silent in the parliament?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?