If a man’s salary is 20% more than that of his son, how many percent is the son’s salary if compared to the salary of his father?

A 75

B 80

C 83

D 85

Correct Answer: Option C

When son's salary is 100, that of father's is 120

Reversibly,

When father's salary is 120, that of son's is 100

and, When father's salary is 100, that of son's is 100*100/120

= 83.34 %