There is something which is always coming but never arrives?

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?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

The centre of the third figure is empty. What digit should fit inside?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

Which tank will fill first?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

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

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?