If in a row of six books, Book A is to the left of Book B, and Book C is to the

Practice Questions

Q1
If in a row of six books, Book A is to the left of Book B, and Book C is to the right of Book D, which of the following statements is necessarily true?
  1. Book A is to the left of Book C
  2. Book D is to the right of Book B
  3. Book C is to the left of Book A
  4. Book B is to the right of Book D

Questions & Step-by-Step Solutions

If in a row of six books, Book A is to the left of Book B, and Book C is to the right of Book D, which of the following statements is necessarily true?
  • Step 1: Understand the arrangement of the books. We have six books in a row.
  • Step 2: Identify the positions of Book A and Book B. Book A is to the left of Book B.
  • Step 3: Identify the positions of Book C and Book D. Book C is to the right of Book D.
  • Step 4: Visualize the arrangement. Since A is to the left of B, we can write it as A - B.
  • Step 5: Since C is to the right of D, we can write it as D - C.
  • Step 6: Now, combine the two arrangements. We know A is to the left of B, and D is to the left of C.
  • Step 7: Since A is to the left of B and D is to the left of C, we can conclude that A must be to the left of C.
  • Step 8: However, we cannot determine the exact positions of D and B relative to each other, so we cannot make any conclusions about their order.
  • Relative Positioning – Understanding the spatial relationships between objects based on given conditions.
  • Logical Deduction – Using provided information to draw conclusions about the arrangement of items.
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