How can you write nineteen in a manner that if we take out one, it becomes twenty?

There is a box. The area of its top is 240 square units, the area of the front is 300 square units and the area of the end is 180 square units.

Can you calculate the dimensions of this box with the given data?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

Why is the longest human nose just 11 inches?

How many times can you subtract the number two from the number fifty?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
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T O W E L
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I look at you, you look at me I raise my right, you raise your left. What am I?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?