Company: IDFC_MCQ_
Difficulty: medium
Eight field chemists — Aria, Ben, Chen, Dia, Eshan, Faye, Giri, Hana — must be stationed across three mobile labs during a river clean-up: Creek Lab (CR, capacity 3), Ridge Lab (RI, capacity 3), and Vale Lab (VA, capacity 2). Exactly eight chemists must be placed, obeying these constraints: - At least two of Aria, Ben and Chen are in Creek Lab. - Dia and Faye cannot be in the same lab. - Hana is not in Ridge Lab. - Exactly one of {Eshan, Giri} is in Vale Lab. - Ben and Giri are in different labs. - Chen and Dia are together if and only if Hana is in Creek. - If Hana is in Creek, then Eshan is in Vale. - Ridge does not contain both Aria and Eshan simultaneously. Question: Across all valid allocations, in how many does Dia work in Creek Lab? 2 1 4 3 Identify if the underlined part in the below sentence is incorrect. If yes, choose the option which makes the sentence grammatically correct. If no, choose the option that is the same as the underlined part. Though the Central Board of Second