Seven books of different subjects are kept in a self in the following manner. A. There are two books between Hindi and English. B. Math book is kept just below Science book which is not kept immediately above and below English. C. Three books are placed between Science and Sanskrit. D. Neither Science nor Sanskrit book is kept immediately above or below Hindi. E. Not more than one book is kept between Social study book and Computer book. Which of the following book is kept at the middle of the self?

Hindi
English
Sanskrit
Computer

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 1 : Hindi

1) There are two books between Hindi and English.

	Case 1	Case 2	Case 3	Case 4
Hindi/ English
		Hindi/ English
			Hindi/ English
Hindi/ English				Hindi/ English
		English/ Hindi
			English/ Hindi
				Hindi/ English

2) Math book is kept just below Science book which is not kept immediately above and below English. Neither Science nor Sanskrit book is kept immediately above or below Hindi. (This eliminates case 2)

	Case 1	Case 3	Case 4 (A)		Case 4 (B)
Hindi/ English		Science				Science
		Math		Science		Math
		Hindi/ English		Math
Hindi/ English				Hindi/ English		Hindi/ English

Science		English/ Hindi
Math				Hindi/ English		Hindi/ English

3) Three books are placed between Science and Sanskrit. Neither Science nor Sanskrit book is kept immediately above or below Hindi

	Case 1	Case 3	Case 4 (A)		Case 4 (B)
English		Science				Science
Sanskrit		Math		Science		Math
		Hindi		Math
Hindi				Hindi		English
		Sanskrit				Sanskrit
Science		English		Sanskrit
Math				English		English

4) Not more than one book is kept between Social study book and Computer book.(This eliminates case 3,case 4 (A) and 4 (B)

	Case 1
English
Sanskrit
Social study/ Computer
Hindi
Computer/ Social study
Science
Math

Hence, Hindi book is kept at the middle of the shelf.

4 views Answered 2022-09-04 04:29

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