How is the moon similar to a dollar?

Find the missing letter in the last circle logically in the given below picture.

What is the fastest way to double your money?

Find the number of squares in the below picture

Vin Diesel is pulling a theft and has planned to run away with all the cash kept in the safe. But the only way to open the safe is the 13 character password. He has a set of five clues given to him by a trustworthy source.

Exactly two of the below statements are false.
The password is contained within this sentence.
The password is not in this hint.
The password is within only one of these statements.
At least one of the above statements is a lie.

Why is it very easy to weigh a fish?

Why is the Hole below a Lock?

A woman shoots her husband.

Then she holds him under water for over 5 minutes.

Finally, she hangs him.

But 5 minutes later they both go out together and enjoy a wonderful dinner together.

How can this be?

What does below pictogram mean?

Can you find the key in the picture below?