John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Which is the smallest number that you can write using all the vowels exactly once?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

What is the riddle which can be asked all day with a different correct answer each time.

What goes up but never comes down?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

Can you find out which number multiplied by itself will give the output as 12345678987654321?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?

There is a jar in which there are two types of candies.
20 blueberries and 16 strawberries. You perform the following steps:
1) You take out two candies.
2) If the two candies are of the same flavour, you add a blueberry one otherwise, you add the strawberry one.

You repeat these two steps till there is just one candy remaining in the jar. Which flavoured candy will be left?