Find the hidden tiger in the given optical illusion ?

What is next number in the pattern below:

131 517 192 123 ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Which is the correct shadow of the bird?

A Car driver was heading down a street in Washington. He went right past a stop sign without stopping, he turned left where there was a 'no left turn' sign and he went the wrong way on a one-way street. Then he went on the right side of the road past a cop car. Still, he didn't break any traffic laws. Why not?

Why Wine Glass Stem is so long?

In the picture that is attached with this question, you can find a square which comprises of four little squares inside it. Consider this square to be made with matchsticks. You have to remove two matchsticks such that only two squares remain instead of five.How will you do it ?

Can you count the number of triangles in the given figure?

It is always ahead of me yet I can never see it. What is it?

An evil man kidnapped someone and made them take one of two pills. One was harmless, but the other was poisonous. Whichever pill the victim took, the kidnapper took the other one. The victim took their pill with water and died. The kidnapper survived. How did the kidnapper get the harmless pill?