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

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 = ____

Before Mount Everest was discovered, what was the highest mountain in the world?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

What part of Turkey has the most feathers?

Can you solve the photo plexer logic ?

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

In the image given, you can find several triangles. Can you count them all?

Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.