If you say my name, I will no longer exist. What am I?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Keyboard words are not in alphabetical order, Why?

Three men in a cafe order a meal the total cost of which is $15. They each contribute $5. The waiter takes the money to the chef who recognises the three as friends and asks the waiter to return $5 to the men.

The waiter is not only poor at mathematics but dishonest and instead of going to the trouble of splitting the $5 between the three he simply gives them $1 each and pockets the remaining $2 for himself.

Now, each of the men effectively paid $4, the total paid is therefore $12. Add the $2 in the waiters pocket and this comes to $14. Where has the other $1 gone from the original $15?

You can see it everyday, But cannot touch it at will. What is it?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

I know a nine-letter word having only one vowel.
Do you ?