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Quantitative Aptitude
Zonal Theorem
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Question

Directions:- Study the following information carefully to answer the question given below.

(i) Seven subjects Sociology, Psychology, English, History. Geography, Economics and Hindi are taught between Monday and Friday by five persons A, B, C, D and E.
(ii) Each person teaches at least one subject. At least one subject is taught every day. No person teaches two subjects on the same day. B teaches Sociology on Wednesday. History is taught by E but not on Monday or Thursday. English is taught on Monday by A. Geography and Economics are taught on Monday and Tuesday respectively. D teaches only one subject Psychology on Tuesday. Geography is not taught by E or B.

Which subject is taught on Friday?

A
Hindi
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B
Economics
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C
History
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D
Data inadequate
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E
None of these.
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Solution

The correct option is C History
On the basis of the given information we can construct the following table :
DaySubject/personSubject/personMondayEnglish/AGeography/CTuesdayEconomics/?Psychology/DWednesdaySociology/BThursdayHindi/?FridayHistory/E

History is taught on Friday.
Hence, the required answer is (C)

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(i) Seven subjects Sociology, Psychology, English, History. Geography, Economics and Hindi are taught between Monday and Friday by five persons A, B, C, D and E.
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