Which is the rope you never skip with?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

What work can one never finish?

What number when divided in half becomes zero?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What is the largest number you can write with just 3 digits?

What has many keys but can’t open a single lock?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?