What was the original fingerprinting system adopted by scotland yard in which converted ridge patters on all ten fingers into a series of series of letters and numbers arranged in the form of a fraction?
a. bertillion system
b. fauld system
c. henry sytem
d. galton system

Option C

Explanation:

Henry system of finger print classification was adopted by scotland yard in 1901.

Sir Edward Richard Henry was the creator of this finger print system classification, which enable finger prints be sorted, after been adopted by Scotland yard, it became the most appearing form of finger print classification until this present day(Computer age) system.

the answer your looking for is c. : )