I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Alex opened 24 presents
Jonah opened 8 presents
Clara opened 1 present

Can you find out how many presents were opened by Candy?

Below rebus represent famous DiCaprio movie. Can you name it?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Find the next number in the series

12, 20, 40, 72, 116, 172 ?

John was piloting a plane behind a car but was never able to overtake it. Why?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

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?

A man calls his dog from the opposite side of a river. The dog crosses the river without a bridge or a boat and manages to not get wet. How is this possible?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?