A Programmer writes an efficient program to add two upper triangular 10X10 matrices (elements on diagonal retained). How many total additions will his program make?
Option 1 : 100
Option 2 : 55
Option 3 : 25
Option 4 : 10
Answer: Option 2
Option 1 : 100
Option 2 : 55
Option 3 : 25
Option 4 : 10
Answer: Option 2