What number should come in place of the question mark below?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

Find the missing number in the sequence below:

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How far can you walk into the woods?

Can you identify the Oscar-winning movie from the rebus below?

A high school has a strange principal. On the first day, he has his students perform an odd opening day ceremony:

There are one thousand lockers and one thousand students in the school. The principal asks the first student to go to every locker and open it. Then he has the second student go to every second locker and close it. The third goes to every third locker and, if it is closed, he opens it, and if it is open, he closes it. The fourth student does this to every fourth locker, and so on. After the process is completed with the thousandth student, how many lockers are open?

An ape is trying to climb on a pole that is 60 feet high. Due to the slippery surface, the ape climbs 3 feet in a minute only to slip back 2 feet.

How much time do you think the monkey will take to reach the top of the pole?