An exterior architect is asked by a builder to plant seven trees in a manner that there are exactly six rows of trees in a straight line and each row has three trees in particular.

How will he do 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?

There are people and strange monkeys on this island, and you can not tell who is who (Edit: until you understand what they said - see below). They speak either only the truth or only lies.
Who are the following two guys?
A: B is a lying monkey. I am human.
B: A is telling the truth.

Find the missing number in the image below.

If you say my name, I will no longer exist. What am I?

Find the smallest sentence with all the English alphabet.

What does this rebus puzzle means ?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.