Select the option that is related to the third word in the same way as the second word is related to the first word. (The words should be treated as meaningful Hindi words and should not be associated with each other on the basis of number of letters/number of consonants/number of vowels in the word.
Fountain Pen: Waterman:: Telescope: ?

Correct option is A

Waterman is associated with the invention of the fountain pen (Lewis Waterman is credited with inventing the capillary feed fountain pen).
Similarly, telescope is famously associated with Galileo Galilei, who is often credited with significant improvements to the device and its use in astronomy. So, the correct answer is Galileo.