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

Solve this riddle by finding the odd one out from the rest.

I’m tall when I’m young, and I’m short when I’m old. What am I?

Keyboard words are not in alphabetical order, Why?

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

I have Rs.50 and I spend it in the way as below.

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

What is the longest word in the dictionary?

What number comes next in this sequence:
7 8 5 5 3 4 4 _