How can you take 2 from 5 and leave 4?

Six glasses are in a row. The first three are filled with milk and the last three are empty. By moving only one glass, can you arrange them so that the full and the empty glasses alternate?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

In four steps you need to move the word 'cold' From 'warm' by replacing one alphabet at a time such that every word formed at each step is acceptable in English Dictionary.

If you say my name, I will no longer exist. What am I?

Find the missing number in the sequence below:

A letter is hidden in the image in plain sight. Can you spot it in 6 seconds? Test your eye power now!

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

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

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?