Spot what is wrong here in below Picture?

Name a key which is hardest to turn.

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

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

A man is walking down a road with a basket of eggs. As he
is walking he meets someone who buys one-half of his eggs
plus one-half of an egg.
He walks a little further and meets another person who buys
one-half of his eggs plus one-half of an egg.
After proceeding further he meets another person who buys
one-half of his eggs plus one half an egg. At this point, he
has sold all of his eggs, and he never broke an egg.
How many eggs did the man have to start with?

In the four images below, can you find the odd one out?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

How can you make a TV, a bed, a dog, and a car liquid?

Can you solve the below geography rebus by decoding the below rebus ?

The horse jumps over the king.
Strangely there is absolutely no scratch on him.

Can anyone explain, how is this possible?