Can you calculate the probability of getting a sum of six when a dice is thrown twice?

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).

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

You are given a cube that is made with the help of 10x10x10 smaller cubes summing up to a total of 1000 smaller cubes. You are asked to take off one layer of the cubes.
How many remain now?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.

Can you identify the famous TV character from the rebus below?

1. How can we put an elephant in the refrigerator?
2. How can we put a Giraffe in a refrigerator?
3. The king of the jungle invites all the animals to a party everyone comes except for one animal, which animal?
4. You come to a crocodile-infested lake, you can't go around it, you can't co under it and you can't go over it, how do you get across?

What is the largest number you can write with just 3 digits?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

If 21x = 79x, what is the value of x?