Spot 5 differences in two Christmas tree below:

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Can you find the thief by just looking at the picture below?

Why are televisions attracted to people?

It is always ahead of me yet I can never see it. What is it?