What number when divided in half becomes zero?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

A bag contains 64 balls of eight different colours. There are eight of each colour (including red). What is the least number you would have to pick, without looking, to be sure of selecting 3 red balls?

I know a nine-letter word having only one vowel.
Do you ?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

There is something which is always coming but never arrives?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

How many triangles are there on the puzzle below?

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?