Four engineers A, B, C, D specialize in Soil, Water, Power, and Dairy (not respectively). A does not specialize in Soil or Dairy. B specializes in Water. D does not specialize in Dairy. What is D's specialization?
Options:
(A) Soil
(B) Dairy
(C) Water
(D) Power
Answer Key:
A
Step-by-Step Solution & Explanation
B has Water. A cannot have Soil or Dairy, so A must have Power. Remaining for C and D are Soil and Dairy. Since D does not specialize in Dairy, D must specialize in Soil.