You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that the sum of the numbers of each group is equal?

Note: 9 cannot be turned over to make it 6.

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

Only Highly Attentive Can Spot The Ladder In This Library In 7 Seconds! Can You?

I get hot but I never sweat,
I cook food but I am not a chef,
I have a door but you can't enter me,
I have a light but I am not a lamp.
Who am I?

Can you tell a 3D object that has just two surfaces?

The day before yesterday I was 25 and the next year I will be 28. This is true only one day in a year. What day is my birthday?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?