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Logical problems and ordering

Written by Bilal Siddiqui (Logical Reasoning)

8 MDCAT Logical reasoning questions with answers and explanations.

Printable worksheet with answer key

All questions with answers
  1. A is taller than B, and B is taller than C. Who is the shortest?

    • 1 A
    • 2 C
    • 3 Cannot be told
    • 4 B
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    Correct answer: C

    The order from tallest to shortest is A, B, C, so C is the shortest.

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  2. Ali sits to the left of Bilal, and Bilal sits to the left of Chand, all in one row. Who sits in the middle?

    • 1 Bilal
    • 2 Chand
    • 3 Cannot be told
    • 4 Ali
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    Correct answer: Bilal

    The row from left to right is Ali, Bilal, Chand, so Bilal is in the middle.

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  3. In a race, A finished before B, C finished after B, and D finished before A. Who finished first?

    • 1 B
    • 2 A
    • 3 D
    • 4 C
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    Correct answer: D

    The order is D, A, B, C, so D finished first.

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  4. Sara is older than Hina, Hina is older than Maria, and Maria is older than Noor. Who is the youngest?

    • 1 Sara
    • 2 Noor
    • 3 Maria
    • 4 Hina
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    Correct answer: Noor

    The order from oldest to youngest is Sara, Hina, Maria, Noor.

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  5. A bag holds 5 red balls and 3 blue balls. What is the smallest number of balls you must take out without looking to be sure of getting at least one red ball?

    • 1 5
    • 2 4
    • 3 3
    • 4 1
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    Correct answer: 4

    In the worst case the first three balls are all blue. The fourth ball must then be red.

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  6. What is the angle between the hour hand and the minute hand of a clock at exactly 3 o'clock?

    • 1 180 degrees
    • 2 120 degrees
    • 3 60 degrees
    • 4 90 degrees
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    Correct answer: 90 degrees

    At 3 o'clock the minute hand points at 12 and the hour hand at 3, which is a quarter of a full circle, 90 degrees.

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  7. Today is Monday. What day will it be after 10 days?

    • 1 Wednesday
    • 2 Friday
    • 3 Thursday
    • 4 Tuesday
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    Correct answer: Thursday

    10 days is one week and 3 days. Three days after Monday is Thursday.

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  8. Five friends stand in a line. Raza is in front of Salman, and Salman is in front of Tariq. Umar is behind Tariq, and Waqas is behind Umar. Who is in the middle of the line?

    • 1 Raza
    • 2 Salman
    • 3 Umar
    • 4 Tariq
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    Correct answer: Tariq

    The line from the front is Raza, Salman, Tariq, Umar, Waqas. The middle (third) person is Tariq.

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