Find the hidden tiger in the given optical illusion ?

What has 88 keys?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

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

Which number should replace the question mark?

What English word has three consecutive double letters?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

You can take four of the five letters out of this word, but the pronunciation never changes. What is the word?