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

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C

Can you find a number that lies one third of the distance between 1/3 and 2/3?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Which alphabet letter is a question?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?