Correct Answer - Option 1 : C
Given,
Statement:
1. Satyavan is not Harish's father
2. Harish is the son of Suraj
3. Suraj has three sons
Choose the correct conclusion
A. Satyavan is the son of Suraj
B. Harish is the brother of Satyavan
C. Suraj is Harish's father
D . Satyavan has no child
Here we see 'Suraj is Harish's father' is the only correct conclusion.
Hence, the correct answer is C. Suraj is Harish's father.