Here is a mathematical expression that also secretly tells a movie name. What movie is that?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

John was piloting a plane behind a car but was never able to overtake it. Why?

Out of four images which one is the odd one out?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

I am the largest in my family of fifty.
The youngest of our family lives separately from the rest of the family and so do I.
I am regarded as harsh and tough.
I am so large, you cut me in two equal halves,
each half would still be larger than the second largest member of the family.
Who am I?

Replace the question mark with the correct number.

A man was gazing through the window of the 23rd floor of the building. He suddenly opened the window and jumped on the other side of the window. On landing on the floor, there was not a sheer mark of injury on him.

How can that be possible if he did not use any kind of parachute and did not land on a soft surface?