What always comes into a house through the keyhole?

What do you think with the below Picture ?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

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).

Solve The below Equation:

ALFA + BETA + GAMA = DELTA

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

What word is represented by this rebus?

You have two bottles of pills marked with labels A and B. The pills are identical. The doctor has asked you to take one A pill and one B pill daily. You cant take more or less than that.

While taking out the pills one day, you took out one pill from A and by mistake took out two from B. You have no idea which pill is which now.

You cant throw away the expensive pills. What will you do now?