A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

With pointed fangs I sit and wait; with piercing force I crunch out fate; grabbing victims, proclaiming might; physically joining with a single bite. What am I?

You can see it everyday, But cannot touch it at will. What is it?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What word is pronounced the same if you take away four of its five letters?

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

A convention is held where all the big logicians are summoned. The master places a band on everyone's forehead. Now all of them can see others bands but can't see his own. Then they are told that there are different colours of bands. All the logicians sit in circle and they are further explained that a bell will ring at regular intervals. The moment when a logician knew the colour of band on his forehead, he will leave at the next bell. If anyone leaves at the wrong bell, he will be disqualified.

The master assures the logicians that the puzzle will not be impossible for anyone of them. How will the logicians manage ?

How could a baby fall out of a twenty-story building onto the ground and live?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.