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

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

What does this rebus means ?

PROG WORKRESS

why number 8549176320 is one of a kind?

Can you find the six hidden animals in the picture below?

A man is found dead in his bathroom naked with blood scattered all around him. The bathroom was locked from the inside and there is no trace of any struggle. There is nothing in the bathroom except his pant with the belt still around and his shirt. Also, the medic team can't find any incision in his body that may have been the reason behind so much blood loss.

The Police department is clueless regarding this murder mystery.
Can you?

What goes up but never comes down?

What is black when you buy it, red when you use it, and gray when you throw it away?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?