railway DFCCIL Executive 2025 Mock Test Logical Reasoning Blood Relations Coded Blood Relation Problems
'E × F' means 'E is the wife of F'
'E + F' means 'E is the brother of F'
'E ÷ F' means 'E is the husband of F'
'E - F' means 'E is the son of F'
How is J related to H in the expression 'G × H + I - J ÷ K'?
1
Father
2
Son
3
Father's father
4
Husband