If 1+9+8=1, what is 2+8+9?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

One day, I thought of ways that can be used for creating a palindrome. So I decided that I will turn into a larger number by adding the reversed digits to the original number and keep doing it till I finally obtained a palindrome.

I am not sure if this process will always result in a palindrome eventually but I was able to produce a four-digit palindrome. Can you guess my starting number?

You can see three almost identical images below. Can you spot the odd one out from them?

In two decks of cards, what is the least amount of cards you must take to be *guaranteed* at least one four-of-a-kind?

When I asked a girl's name she told me her name is the date '07/09/2001'.

I thought for a few seconds and then I got her name. Do you?

What kind of band never plays music?

Which is Odd One Out and why?

4377

3954

9862

8454

9831