Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?

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?

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

What work can one never finish?

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

what does this picture(rebus) riddle means ?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

I am a mother. However, I never give birth.

I am a father. However, I never nurse my children.

Wandering is not possible for me, but standing still happens occurs rarely.

Who am I?