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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.

Who teaches Economics?

A
E
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B
A
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C
B
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D
Data Inadequate
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E
None of these
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Solution

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

Either A, B, C or E teaches Economics
Hence, the required answer is (D).

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Q. 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.

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

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

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