If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

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?

I cannot talk, but I always reply when spoken to. What am I?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?

If eleven plus two equals one, what does nine plus five equal?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Can you name an animal whose killing cannot be performed without spilling your own blood?

The dirtier I get, the whiter I look. Who am I?

What is always in front of you but can’t be seen?

Who always enjoys poor health?