An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

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?

Count the number of triangles in the picture below:

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

How many letters are in the alphabet?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

Why Wine Glass Stem is so long?

Why is a river so rich ?

What is the word or phrase?

If an electric train is travelling south, then which way is the smoke going?