what does the below math rebus puzzle mean?

Which country gets ill every time?

What question can you never answer yes to?

How can you make number one disappear by adding something to it?

The centre of the third figure is empty. What digit should fit inside?

I have an eye but still cannot see.

Who am I?

Do you know who was buried in John's tomb?

Dr Doom invited a group of puzzle fanatics to a party which was oriented toward having puzzle-oriented games. At night, he introduced the guests to a 'unique riddle'. A prize was offered to the one who solved it first.

The guests included six people named Tom Paul, Fox Obama, Jeremy Reener, Alex Murphy, Prim Pastor, and Ellen Page. The winner of the 'unique riddle' contest was to be announced after the dinner. So Dr. Doom stood up and started the announcement:

'Okay now everybody!'
'The winner of�'
'The Hardest Riddle Ever Event'

But before he could complete it, the light went out and his voice was not heard without the mic by anyone. But they already knew who the winner was. Can you deduce the name of the winner?

Out of four images which one is the odd one out?

Can you count the number of children in the picture below