What month of the year has 28 days?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

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?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

What can you catch but never throw?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What has 13 hearts but no other organs?