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

How many triangles can you find in this given picture?

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 following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

What has no start, end, or centre?

Replace the question mark with the correct number.

There is something which you can be arrested for attempting but not for successfully completing.