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

Below toothpicks/matchsticks indicate the group of fishes moving from west to east direction. Can you make them move from east to west by just moving three toothpicks/matchsticks?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

Before Mount Everest was discovered, what was the highest mountain in the world?

With the help clues provided in the image, can you find the 5 digit key?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Can you find the mistake in the below statement?

How many triangles are there in the picture below?

Why Aeroplane windows are round?