The square of the sum of two numbers equals the square

Which of the following is odd one out?

Find the odd one out from the following options. 

Odd one out

Select the option in which the numbers are related in the same way as are the numbers of the following sets.  

(63, 7, 16)

Find the odd one out

Pick the odd one out.

Pick the odd one out.

Three of the following four words are alike in a certain way and one is different. Pick the odd one out .

Four words have been given out of which three are alike in some manner, while one is different. Choose the odd one.