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?

What number should come in place of the question mark below?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

I have no life, but I can die. What am I?

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

What is common among 11, 69, and 88?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

Jim and Sarah are in a long-distance relationship. Jim buys an engagement ring for Sarah and wants to mail it to her. Unfortunately, the only way to ensure the ring will be received is to place a lock on the package. Jim has locks and Sarah has locks, but neither has keys for each other’s locks. How can they make sure the ring isn’t stolen?

When we see 2 but call 10?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?