John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

What is the next number in the series?

15 29 56 108 208 ?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

What do you call a fish without an eye?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

What does it mean?

The more you take me, the more you leave me behind.
Who Am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?