Find out a multi-digit number that if multiplied by the number 9 or any of its multiplications products (i.e. 18, 27, 36, 45,..) will result in the multiplication factor repeated (n) number of times.

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

He does not have any heart but still, He manages to live.
If you kill him, you will eventually die but yet you kill him.
He cannot run, who is He?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

What is the next number in this matchsticks series riddle?

Can you count the number of lines in the below picture?

Can you name some countries which do not have the alphabet 'A' in them?