Spot what is wrong here in below Picture?

How many words can a pen with half refill write?

Two friends Smith and Andrew were talking about the bravery of their families. Smith told great stories about his courageous grandfather who fought for Britain in "World War I". Andrew told that his grandfather was so brave that in 1919 just after the war he was honoured with a bravery medal with the words "For our Courageous Soldiers In World War I" embedded into it. Smith knows that his friend is lying. How?

There is so small cabin inside a deep forest.
All the forest burned out to worst possible but the inside of the cabin is still the same.
However all the person inside the cabin die.

How come ?

I look at you, you look at me I raise my right, you raise your left. What am I?

Why is it very easy to weigh a fish?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

A horse was tied to a rope 5 meters long and the horses food was 15 meters away from the horse. How did the horse reach the food?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?