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?

There was a man he lives in a hotel each morning he presses the first floor button each evening if there is a person in the elevator he asks him to press the 10 floor button if there is no one in the elevator he takes the stairs why.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Three people are in a room. Ronni looks at the Nile. The Nile looks at Senthil. Ronni is married but Senthil is not married. At any point, is a married person looking at an unmarried person? Yes, No or Cannot be determined.

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

Using eight eights and addition only, can you make 1000?

A journalist was investigating a sacred cult in the jungles of Africa when he was caught by one of the person. He was confined in a cave till the leader arrived. The leader told him that he need to tell him a statement. If he thinks the statement is true, then the journalist head will be chopped off. If he thinks that the statement is false, his head will be smashed with a hammer.

What statement did the journalist make to survive?

Replace the question mark with the correct number.

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

I’m tall when I’m young, and I’m short when I’m old. What am I?