Reasoning Ability - MCQ Practice Questions

From the premises: All doctors are professionals, but not all professionals are doctors. Some professionals are teachers, and no teacher is a doctor. Therefore, there exist professionals who are neither doctors nor teachers.

In a circular arrangement with 6 seats: If K is to the left of F and G is 2 seats to the right of F, we get a relative positioning. H opposite to J means they are 3 seats apart. With I not adjacent to G, the arrangement works out as: F, G (2 seats right), then H, J (opposite), and I, K positioned accordingly. The person between I and J clockwise is H.

Rahul's mother's brother = Rahul's uncle. Rahul's uncle's wife = Rahul's aunt. Therefore, the relation is aunt.

The differences are: 6-2=4, 12-6=6, 20-12=8, 30-20=10, 42-30=12. The differences increase by 2 each time. Next difference should be 14, so 42+14=56.

CAR becomes CARE by adding E. FIRE becomes FIRED by adding D. The pattern is adding a suffix letter to the end of the word. FIRED completes this analogy.

From Z ≤ W, we directly get W ≥ Z. The relationships X ≥ Y, Y > Z don't establish a definite relationship between X and W, making option B the only statement that must be true.