Answer: As we know that the formula of outlier is 
IQR = Q3 - Q1
 = 52 - 32
 = 20
52 + 1.5(20) = 82...
 so anything above 82 is an outlier
now
32 - 1.5(20) = 2.
..anything below 2 is an outlier
so...the 83 is outlier
so correct option is D 
hope it helps
Explanation: