Reasoning

Comparison Puzzles: Practice Questions with Answers

11 practice questions on Comparison Puzzles, with answers; most also have an explanation or a worked solution. Try each one before you open its answer.

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1. Q.1

   Using the same puzzle and clues, a sixth friend F is said to be taller than D. Where does F fit in the chain, and who is now the tallest?

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   Answer: F is the tallest, placed above D

   Solution:

   1. F > D slots F in at the very top of the existing chain: F > D > C > A > B > E.

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2. Q.2

   Five friends — A, B, C, D and E — have different heights. A is taller than B. C is taller than A. D is taller than C. E is shorter than B. Who is the tallest among the five?

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   Answer: D

   Solution:

   1. Convert each clue into a chain: D > C (D taller than C), C > A (C taller than A), A > B (A taller than B), B > E (E shorter than B).
   2. Merging all of these into one chain: D > C > A > B > E.

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3. Q.3

   Using the same puzzle and clues, how many people are taller than B?

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   Answer: 3

   Solution:

   1. From the chain D > C > A > B > E, the people before B are D, C and A — three people.

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4. Q.4

   Using the same puzzle and clues, who is the shortest among the five?

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   Answer: E

   Solution:

   1. From the full chain D > C > A > B > E, the last (shortest) person is E.

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5. Q.5

   Using the same puzzle and clues, how many people are shorter than C?

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   Answer: 3

   Solution:

   1. From the chain D > C > A > B > E, the people after C are A, B and E — three people.

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6. Q.6

   Using the same puzzle and clues, who is taller than A but shorter than D?

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   Answer: C

   Solution:

   1. From the chain D > C > A > B > E, the person directly between D and A is C.

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7. Q.7

   Using the same puzzle and clues, how many people are taller than E?

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   Answer: 4 (all of D, C, A and B)

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8. Q.8

   Using the same puzzle and clues, how many people are shorter than C?

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   Answer: 3

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9. Q.9

   Using the same puzzle and clues, who is the third tallest among the five?

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   Answer: A

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10. Q.10

    Using the same puzzle and clues, who is the second tallest among the five?

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    Answer: C

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11. Q.11

    Using the same puzzle and clues, who is immediately shorter than A?

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    Answer: B

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