When we see 2 but call 10?

Why Wine Glass Stem is so long?

What makes this number unique: 8,549,176,320?

What's a single-digit number with no value?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

John went to a parrot shop in Mexico, and the parrot owner told him that his parrot is so unique that he repeats everything he hears. John got excited and immediately bought the parrot. John went home and spoke many words, but the parrot does not repeat anything.
He went again to the parrot shop and complaint to the shopkeeper, but the shopkeeper never lied. Explain?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?