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.

What is the next shape from answers A, B, C, and D figure?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

In the given picture, you can find two letters missing. When two particular letters are placed in the missing spots, you get an eight-letter word while reading in the anti-clockwise direction. Can you find out the missing letters and the missing word eventually?

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?

Assume the given figure to be a delicious doughnut. Yes, now you can concentrate more on the puzzle. So you have this delicious doughnut in your refrigerator when your friends come knocking at the door. There are eight of them. Now you have to make three cuts in this doughnut so that each one of you nine people can enjoy a piece of it. Neither you nor your friends would mind the size of their piece as long as they are getting it. How will you do it?

What has no start, end, or centre?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

I have branches, but no fruit, trunk or leaves. What am I?