Can you find the missing piece of the Porsche?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

When we see 2 but call 10?

An inspection by the superintendent of St. Joseph School was scheduled on the next day. The class teacher Jenifer knew that he would be asking questions from her class and she would have to choose a pupil to answer. To offer a perfect impression over him, the teacher explained certain instructions to the students to maximise the chances of getting correct answer every time.

What did she say to the students?

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

Can you replace the question mark with the correct number?

Can you solve the maths in the below-given picture equation?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

I am an odd number. Take away a letter and I become even. What number am I?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?