What do you answer even though it never asks you questions?

The ages of a father and son add up to 66.
The father's age is the son's age reversed.
How old could they be?
(3 possible solutions).

Take one out and scratch my head, I am now black but once was red. What am I?

Find the number of squares in the below picture

What occurs twice in a week, once in a year but never in a day?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What has a ring but no finger?

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?