I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Imagine you are in a room with no windows or doors. How will you get out?

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

Which number should replace the question mark?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

I travel all around the world but always stay in the corner. What am I?

In a box, there is a jumble of 7 red balls, 6 blue balls, 5 green balls, and 4 yellow balls. What is the minimum number of balls, will you have to pick up so that you have at least 4 balls of the same colour?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?