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?

I look at you, you look at me, I raise my right, you raise your left. What am I?

Identify the hidden meaning behind this picture?

Assume there are approximately 5,000,000,000 (5 billion) people on Earth. What would you estimate to be the result, if you multiply together the number of fingers on every person's left hand? (For the purposes of this exercise, thumbs count as fingers, for five fingers per hand.) If you cannot estimate the number then try to guess how long the number would be.

Can you name four days which start with the letter 'T'?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Where do you go to learn how to make ice cream?

I have teeth but i don't bite. Who Am I ?