Which is the correct shadow of the bird?

Can you count the number of lines in the below picture?

Count the number of triangles in the picture below:

In the given picture, in how many ways can you read the word "Tiger"?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

You need to move three matchsticks to form three squares. Can you do it?

What's the best place to go shopping in the ocean?

Three people enter a room and have a green or blue hat placed on their heads. They cannot see their own hat but can see the other hats.
The colour of each hat is purely random. They could all be green, blue, or any combination of green and blue.
They need to guess their own hat colour by writing it on a piece of paper, or they can write 'pass'.
They cannot communicate with each other in any way once the game starts. But they can have a strategy meeting before the game.
If at least one of them guesses correctly they win $10,000 each, but if anyone guesses incorrectly they all get nothing.
What is the best strategy?

who is silent in the parliament?

what does this picture(rebus) riddle means ?