NIMCET 2009
After months of talent searching for an administrative assistant to the president of the college, the field of applicants had been narrowed down to five (A, B, C, D and E). It was announced that the finalist would be chosen after a series of all-day group personal interviews. The examining committee agreed upon the following procedure.1.The interviews will be held once a week.2.Three candidates will appear at any all-day interview session.3.Each candidate will appear at least once.4.If it becomes necessary to call applicants for additional interviews, no more than one such applicant should be asked to appear the next week.5.Because of a detail given in the written applications, it was agreed that whenever candidate B appears, A should also be present.6. Because of travel difficulties, it was agreed that C will appear for only one interview.At the first interview, the following candidates appear: A, B and D. Which of the following combinations can be called for the interview to be held the next week?
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Answer: Option B — CDE
Detailed Solution
Week 1 had A, B and D. By rule 4, at most one of A, B, D may come back next week.
BCD has B without A (breaks rule 5). ABE and ABC each bring back two of A, B, D (break rule 4).
CDE brings back only D and adds the two candidates not yet seen, C and E. It breaks no rule.
✓ Check
After CDE every candidate has appeared (rule 3) and C has appeared once (rule 6).⚠ Common trap
(C) ABE keeps A with B (rule 5) but recalls two candidates.💬 Discussions on this question
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Analytical Reasoning — Preparation
This question tests your understanding of Analytical Reasoning, a key topic in the Logical Reasoning section. The detailed solution above uses a step-by-step approach to show the reasoning, and where available, a shortcut that helps you solve similar questions in under 90 seconds during the actual exam.
Analytical reasoning questions give a set of conditions about people, objects or events and ask you to deduce facts from them. They include puzzles on scheduling (who does what on which day), distribution (who owns which item), floor-based puzzles, comparisons, and grouping or selection problems where certain people must or cannot be chosen together. The key is organising the information. Draw a table or grid with the categories as rows and columns, and fill in the definite clues first. Then use the conditional clues to eliminate possibilities, marking crosses for what is impossible and ticks for what is certain. When a clue leaves two possibilities, write both cases and test each against the remaining clues. Usually one case leads to a contradiction. Most puzzles have four or five questions, so time spent setting up a clear grid pays off. Practise the analytical reasoning puzzles below. Each solution shows the grid built step by step.