What is next number in the pattern below:

131 517 192 123 ?

What has 88 keys?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

I am a type of word that is spelt incorrectly or used differently, on purpose for humour. What am I?
Hint 1: You can find me in a joke.
Hint 2: I am a play on words.

What is common among 11, 69, and 88?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

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?