What has no start, end, or centre?

There are two arch enemies Messi and Ronaldo who hate each other to an extreme. One day both were going together and a Jeanie appeared in front of them. Jeanie grants 3 wishes to Ronaldo and one to Messi.

Messi replied smartly 'Give me twice whatever Ronaldo demands'.

Ronaldo asked his 1st wish 'Give me 10000 billion dollars. Soon Messi gets 2000 billion dollars.
Ronaldo asked for his 2nd wish 'Give me one mansion in every country in the world. Soon Messi gets two mansions in every country of the world?

What should be Ronaldo's third wish?

Why Wine Glass Stem is so long?

You are given with the following sum. Each of the letters can be decoded as a digit. If we tell you that D = 5, then can you solve it entirely?

DONALD
+GERALD
=ROBERT

Find the hidden tiger in the given optical illusion ?

In the picture given below, can you find out which digit will take place of the question mark?

What can go up a chimney down, but can't go down a chimney up?

What does this below rebus puzzle mean?

What has lots of eyes, but can’t see?

What is wrong in the below Picture?