Classificationवर्गीकरण

Educated and Employed overlap, and Urban is a third category that can overlap both. Option C shows three circles overlapping pairwise with a common region, the correct representation. A nests two circles inside one, B puts three circles in a row with no common region, and D uses concentric circles, which are wrong. Option C.

Men who live with parents are inside the circle. Neither married nor engineer means outside the rectangle and outside the triangle. Only region H is inside the circle alone. G is in the circle and the rectangle, and A is in the triangle only. Answer B (H). Option B.

Every surgeon is a doctor, so the Surgeon circle lies inside the Doctor circle. A nurse is a separate profession, so the Nurse circle does not overlap. Option A matches this. Answer A. Option A.

Professors can be PhD holders and government employees, and the three categories overlap in general without any one being wholly inside another. Three mutually overlapping circles show all these overlaps, which is option D. Options A and C show chains or nesting, and B wrongly puts one whole set inside another. Option D.