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

You see me once in June, twice in November, and not at all in May. What am I?

What word is represented by this rebus?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Suppose you are sitting in an interview and the interviewee asks you an aptitude question.

You have three buckets with a capacity of 4 litres, 8 litres and 10 litres and you have a large tank of water. Now you have to measure 3 litres of water precisely using those buckets. How will you do it?

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

What has many keys but can’t open a single lock?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?

What goes through cities and fields, but never moves?