What do you answer even though it never asks you questions?

In a concert, Christina is performing a dance show with her group.
At 10:00, she and her crew were dancing in an absolutely straight line. At that time Christina was standing in 4th position from both the front and back end of the row.

What was the size of her crew?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

What is full of holes but still holds water?

Which is heavier: a ton of bricks or a ton of feathers?

How many triangles can you find in this given picture?

Can you find the odd one out from the below words ?

First Second Third Forth Fifth Sixth Seventh, Eighth Nine Ten Eleven Twelve.

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

Name one eight-letter word with 'kst' in the middle, 'in' the beginning, 'and' at the end.?