What word does this rebus represent?

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In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Spot 5 differences in two Christmas tree below:

How can you leave a room with two legs and return with six legs?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

What makes this number unique: 8,549,176,320?