Latest CTS Aptitude Question SOLUTION: In a pile of 10 books, there are 3 of History, 3 of Hindi, 2 of mathematics and 2 of English. Taking from above, there is an English book bet

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In a pile of 10 books, there are 3 of History, 3 of Hindi, 2 of mathematics and 2 of English.
Taking from above, there is an English book between a history and mathematics book, a
history book between a mathematics and an English book, a Hindi book between an English and
a mathematics book, a mathematics book between two Hindi books and two Hindi books
between a Mathematic and a History book. Book of which subject is at the sixth position from top ?

A. English B. Hindi

B. Mathematics C. History

Asked In CTS (12 years ago)

Unsolved Read Solution (2)

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Komal Jain  (12 years ago)

Book at sixth position is : Hindi

Total books 10
Step 1.) an English book between a history and mathematics book
 1.Hist
 2 .Eng
 3.Maths
Step 2.) a history book between a mathematics and an English book
 1.Hist
 2 .Eng
 3.Maths
 4.Hist
 5. Eng


step 3.) , a Hindi book between an English and a mathematics book
 1.Hist
 2 .Eng
 3.Maths
 4.Hist
 5. Eng
 6.Hindi
 7.Maths
Step 4.) a mathematics book between two Hindi books
 1.Hist
 2 .Eng
 3.Maths
 4.Hist
 5. Eng
 6.Hindi
 7.Maths
 8.Hindi
Step 5.) two Hindi books between a Mathematic and a History book.
 1.Hist
 2 .Eng
 3.Maths
 4.Hist
 5. Eng
 6.Hindi
 7.Maths
 8.Hindi
 9.Hindi
 10 History
So , Book at sixth position is Hindi

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hemanth  (10 years ago)

Starting from above , English is between History and Mathematics i.e. H, E, M.
History is between Mathematics and English i.e. H, E, M, H, E.
Hindi is between English and Mathematics i.e. H, E, M, H, E, Hi, M.
Mathematics is between two Hindi books i.e. H, E, M, H, E, Hi, M, Hi.
Two Hindi books are between Mathematics and History i.e. H, E, M, H, E, Hi, M, Hi, Hi, H.
Clearly, Hindi book is at sixth position from top.

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