2017 cat slot 1 dilr

deltin55 2025-11-27 14:10:33 views 122

  以下是针对2017年CAT考试(印度管理入学考试)第一场考试中DILR(Data Interpretation and Logical Reasoning)部分的常见题型解析及解答思路,供参考:



DILR 题型概览(2017 CAT Slot 1)



Data Interpretation(数据解读)


图表分析:可能涉及流程图、柱状图、表格或混合图表,需计算比率、趋势或对比。
数据 Sufficiency:判断给定信息是否足够回答问题(如市场份额、增长率等)。



Logical Reasoning(逻辑推理)


逻辑电路题:通过符号逻辑(如∧、∨、¬)分析真值表或条件关系。
排列组合:涉及分组、顺序、限制条件(如性别、年龄、职业)。
符号逻辑题:基于前提推导结论,需识别逻辑链(如充分/必要条件)。



Set Theory(集合论)


涉及Venn图、交集/并集计算、容斥原理(如学生选课统计)。





典型题目示例与解答(英文题目+中文解析)

例1: Data Interpretation - 柱状图分析

  题目:

The following bar graph shows the number of students (in hundreds) enrolled in 5 different courses in 2016 and 2017.

问:What is the percentage increase in the number of students enrolled in Course C from 2016 to 2017?


  解答:


提取数据:
2016年Course C: 450学生
2017年Course C: 600学生


计算增长量:600 - 450 = 150
计算百分比:(150 / 450) × 100 = 33.33%

答案:33.33%


例2: Logical Reasoning - 逻辑电路题

  题目:

The following logical circuit is given:

( (A \land B) \lor (\neg C) )

问:Under what condition is the output true?


  解答:


真值表分析:
若 ( \neg C ) 为真(即C为假),则整个表达式为真,无论A和B的值。
若 ( \neg C ) 为假(C为真),则需 ( A \land B ) 为真(即A和B均为真)。


结论:
输出为真当且仅当 C为假,或 A和B均为真。

答案:C = False 或 (A = True ∧ B = True)




例3: Set Theory - 容斥原理

  题目:

In a survey, 30 students like Math, 25 like English, and 17 like both. Total students = 50.

问:How many students like neither?


  解答:


计算喜欢至少一科的学生数:

( 30 + 25 - 17 = 38 )
计算喜欢 neither 的学生数:



( 50 - 38 = 12 )

答案:12



备考建议


时间管理:DILR占40分钟,建议每题≤1分钟,优先完成图表题(分值高)。
刷题策略:熟悉逻辑电路、排列组合等高频题型(占DILR 50%以上)。
工具辅助:使用流程图或表格辅助分析复杂逻辑题。


  如需具体题目原文或更多解析,请提供完整题目描述,我将进一步协助解答!
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