Exams › IBPS PO › Reasoning
In which month of the year did the construction of the building begin? I. The construction engineer correctly remembers that the construction began before September but after May, and that particular month did not have 31 days. II. The builder correctly remembers that the construction began after February but before October, and that particular month did not have 31 days. Which of the following is true?
- Data in statement I alone sufficient
- Data in statement II alone sufficient
- Both together necessary
- Both together not sufficient
Correct answer: Both together necessary
Solution
Statement I allows June, July, and August, but only June has fewer than 31 days. Statement II allows March through September, excluding months with 31 days, which still leaves multiple possibilities. Together, the statements are sufficient to identify the month uniquely.
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