I have teeth but i don't bite. Who Am I ?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

You are in a land where thirty men and two women were dressed in classic black and white dresses.
They begin to fight as soon as any of them move.

Where are you?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

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?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

There is an ancient kingdom where every married woman keeps information regarding the fidelity of other men. However, what they don't know is the fidelity of their own husbands. Also, there is an ancient belief that they don't tell each other about the fidelity of their husbands.

On a certain day, the queen of the kingdom declares that she has identified at least one unfaithful man in the kingdom. She allows the wives to identify and gives them authority to kill their husbands if they are unfaithful at midnight.

How will the wives manage it?

What is the word or phrase below?
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