It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

When it is alive we sing, when it is dead we clap our hands. What is it?

Count the Triangle in the figure given below:

You walk into a room where there are three primates held in their respective cages:
1) A lion who is eating the flesh of a goat.
2) An orangutan who is playing with blocks.
3) A donkey who is sitting idle.

Who is the most intelligent primate in the room?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

500 women soldiers are arranged in an array of ten rows and fifty columns in accordance with their respective heights. Now, the tallest woman from each row is asked to move out in the front. From them, the shortest one is labelled as Alpha. They are then asked to resume their original position.

Now, the shortest woman in each column is asked to come out in front. The tallest among them is labelled as Beta.

Can you find out if Alpha will be taller or Beta?

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.