How can you make number one disappear by adding something to it?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

Can you move 2 matchsticks to form four equal sized squares.

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Count the number of lines in the image below ?

Yesterday I fell from 30 feet high ladder but I don't get hurt. Why?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

I have a head like a cat and feet like a cat, but I am not a cat. What am I?