The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

Why is the Hole below a Lock?

Count the number of triangles in the picture below:

How can you leave a room with two legs and return with six legs?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Can you find the missing piece of the Porsche?

Can you place six X (crosses) in below board without making three in a row in any way ?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

When can we add 2 to 11 and get 1 as the correct answer?

In which direction should the missing arrow point?