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Direction: Study the given information carefully and answer the question. Fifty books belonging to different subjects, viz History (8) Geography (7) Literature (13) Psychology (8) and Science (14)…

Question and options

Direction: Study the given information carefully and answer the question.
Fifty books belonging to different subjects, viz History (8) Geography (7) Literature (13) Psychology (8) and Science (14) are placed on a shelf. They are arranged in an alphabetical order, subject to the condition that no two books of the same subjects are placed together so long as books of other subjects are available. Unless otherwise mentioned all counting is done from the left.

What is the position of the last book in Psychology?
  1. 36th
  2. 37th
  3. 38th
  4. 39th

Answer and explanation

Correct answer: C - 38th
Using the arrangement of 7 cycles GHLPS (1 to 35), then H L P S at 36 to 39, the last Psychology book is at position 38.

Practice for these exams

  • CUSAT CAT Integrated IPR Ph.D.

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