If 1+9+8=1, what is 2+8+9?

It begins where the time ends.
Its second is an expression of surprise.
Its third is a question.
Its fourth is urinate.
It ends with a drink.

Which country it is?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

When can we add 2 to 11 and get 1 as the correct answer?

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

I don't get anymore wetter, no matter how much rain falls on me.

Can you count the number of triangles in the given picture?

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

I have a mouth but I don't eat.
I have a bank but have no money.
I have a bed but i dont sleep.
I wave but have no hands.

Who Am I ?

Only one color, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?