You are presented with three boxes. One of them has a red ball inside and the other two have a black ball inside each of them. You are asked to pick up the one with red ball and you pick one. Now, one of the other boxes is opened and it is found to have a black ball.

You are presented with a chance to change your box with the one that is left closed. Will you change your box? Why or why not?

If eleven plus two equals one, what does nine plus five equal?

What seven-letter word has hundreds of letters in it?

Can you replace the question mark with the correct number in the below table sequence?

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?

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

what does the below rebus mean?

Can you write down eight eights so that they add up to one thousand?

Find out the missing number in the picture attached:

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E