A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

How many words can a pen with half refill write?

Which Travels Faster? Solve below famous picture riddle:

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

What does this rebus puzzle means ?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

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?

What two things can you never eat for breakfast?

What Time Should the last watch show in the below figure?