Can you place three balls such that the equation shown in the picture holds true?

What is the last thing you take off before bed?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

I have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Replace the question mark with the correct number, given the pair of numbers exhibits a similar relationship?

? : 3839 :: 11 : 1209

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

What does below Rebus mean ?

esgg sgeg gegs gsge

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?