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

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

How can a man go eight days without sleep?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Below is the sum of symbols in each row and column in the figure. Analyzing the figure, can you find out the value of the symbols?

why number 8549176320 is one of a kind?

Which word is least like the others? Third, fourth, fifth, sixth, seventh, eighth, ninth?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?

Can you find the key in the picture below?