Correct Answer: (b) A is an engineer
Solution:Types of employment ⇒ teacher, doctor, lawyer, accountant and engineer, and five people are ⇒ A, B, C, D, E. Given, there are 2 couples and C is an unmarried lawyer. ⇒ 2 couples → (Engineer + Teacher) & (Doctor + Accountant), Also given ⇒ B (female) = Teacher, D (female) = Accountant i.e. From the rest, A, E can be either an engineer or doctor. So, from the given options, the conclusion that “A is an engineer” could be true.