Can you spot the man between the coffee bean in the picture below ?

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

Do You See It?

John was piloting a plane behind a car but was never able to overtake it. Why?

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

You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

Find out the missing number in the picture attached:

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

A wealthy man lives alone in a small cottage. Being partially handicapped he had everything delivered to his cottage. The mailman was delivering a letter one Thursday when he noticed that the front door was ajar. Through the opening he could see the man's body lying in a pool of dried blood. When a police officer arrived he surveyed the scene. On the porch were two bottles of warm milk, Monday's newspaper, a catalog, flyers, and unopened mail. The police officer suspects it was foul play. Who does he suspect and why?