Concept:Rearrange each set of letters to form a meaningful word, then identify the word that does not belong to the same category.
Explanation:A. NRADSIE → SARDINE, which is a fish.
B. GHBUELITT → TUBELIGHT, which is a lighting device.
C. AGTNEERRO → GENERATOR, which produces electricity.
D. ORREGUTLA → REGULATOR, which controls electrical flow.
All except SARDINE are related to electricity or lighting devices.
Answer:A. NRADSIE → SARDINE is the odd one out.