Through logical deduction: Since D is grandmother, B must be married to judge (as there are only two couples). And since B is not mentioned with any other profession, B must be the judge.
In English (Question & Model Answer)
What is the profession of B?
A.JudgeCorrect
B.Lawyer
C.Draughtsman
D.Cannot be determined
Correct Option: (A) Judge
Through logical deduction: Since D is grandmother, B must be married to judge (as there are only two couples). And since B is not mentioned with any other profession, B must be the judge.