How can you tell a raw egg from a hard-boiled egg?

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?

A spy was in Canada trying to steal insider information on how to set up new Maple Syrup factories in their country. He was introduced to the operations manager of the biggest factory in Canada. However, the manager was suspicious and decided to test him with a question before he trusted him. So he asked, “What would you be sure to find in the middle of Toronto?” The spy thought fast and came up with an answer for the manager. What was his answer?

O_er_t_o_

Complete the missing letters of the given word.

A father's child, a mother's child, yet no one's son.

Who am I?

A chicken farmer has figured out that a hen and a half can lay an egg and a half in a day and a half. How many hens does the farmer need to produce one dozen eggs in six days?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?