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?

If your uncle’s sister is not your aunt, what relation is she to you?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

How many times can you subtract the number two from the number fifty?

I have two coins.
* One of the coins is a faulty coin having a tail on both sides of it.
* The other coin is a perfect coin (heads on side and tail on other).

I blindfold myself and pick a coin and put the coin on the table. The face of the coin towards the sky is the tail.

What is the probability that another side is also tail?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

What Time Should the last watch show in the below figure?

I have branches, but no fruit, trunk or leaves. What am I?

What does this rebus mean?

O
N
C
E
TIME

what does this picture(rebus) riddle means ?