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Analytical reasoning

Written by Bilal Siddiqui (Logical Reasoning)

28 COMSATS Logical reasoning questions with answers and explanations.

Printable worksheet with answer key

All questions with answers
  1. Sara, Hina and Maria sit in a row. Sara is not at either end, and Hina sits to the left of Maria. Who sits in the middle?

    • 1 Sara
    • 2 Hina
    • 3 Maria
    • 4 It cannot be decided
    Show answer

    Correct answer: Sara

    Sara is not at an end, so she must be in the middle.

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  2. All engineers are graduates. Ali is an engineer. Which conclusion follows?

    • 1 Ali is a teacher
    • 2 Ali is a graduate
    • 3 Ali is not a graduate
    • 4 All graduates are engineers
    Show answer

    Correct answer: Ali is a graduate

    The first statement applies to every engineer, so it applies to Ali.

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  3. A shop gives a 10% discount on a bill above Rs 1000. Bilal buys goods worth Rs 1200. How much does he pay?

    • 1 Rs 1020
    • 2 Rs 1080
    • 3 Rs 1100
    • 4 Rs 1200
    Show answer

    Correct answer: Rs 1080

    The discount is 120, so he pays 1200 − 120 = 1080.

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  4. No fish can walk. Some animals are fish. Which conclusion follows?

    • 1 Some animals cannot walk
    • 2 All animals are fish
    • 3 All animals can walk
    • 4 Some fish can walk
    Show answer

    Correct answer: Some animals cannot walk

    The animals that are fish cannot walk.

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  5. A meeting is on a day after Tuesday and before Friday, and not on Thursday. On which day is it?

    • 1 Thursday
    • 2 Wednesday
    • 3 Saturday
    • 4 Monday
    Show answer

    Correct answer: Wednesday

    Only Wednesday is after Tuesday, before Friday and not Thursday.

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  6. A bus leaves every 20 minutes from 8:00. Fatima reaches the stop at 8:50. How long does she wait for the next bus?

    • 1 10 minutes
    • 2 20 minutes
    • 3 15 minutes
    • 4 5 minutes
    Show answer

    Correct answer: 10 minutes

    The buses leave at 8:40 and 9:00, so the next one is 10 minutes after 8:50.

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  7. If it rains, the match is cancelled. The match was not cancelled. Which conclusion follows?

    • 1 The match was late
    • 2 It rained
    • 3 It did not rain
    • 4 The match was won
    Show answer

    Correct answer: It did not rain

    If rain always cancels the match, no cancellation means no rain.

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  8. Ahmed is older than Zain, and Zain is older than Omar. Which statement must be true?

    • 1 Ahmed is older than Omar
    • 2 Omar is the oldest
    • 3 Omar is older than Ahmed
    • 4 Zain is the oldest
    Show answer

    Correct answer: Ahmed is older than Omar

    The ages are in the order Ahmed, Zain, Omar from oldest to youngest.

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  9. Some teachers are poets. All poets are readers. Which conclusion follows?

    • 1 No teacher is a reader
    • 2 All readers are poets
    • 3 Some teachers are readers
    • 4 All teachers are readers
    Show answer

    Correct answer: Some teachers are readers

    The teachers who are poets are also readers.

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  10. A pen costs Rs 15 more than a pencil. Together they cost Rs 35. What does the pen cost?

    • 1 Rs 15
    • 2 Rs 30
    • 3 Rs 20
    • 4 Rs 25
    Show answer

    Correct answer: Rs 25

    The pencil costs Rs 10 and the pen costs Rs 25, and 10 + 25 = 35.

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  11. In a race, Omar finished before Asad but after Bilal. Who finished first?

    • 1 It cannot be decided
    • 2 Omar
    • 3 Bilal
    • 4 Asad
    Show answer

    Correct answer: Bilal

    The order is Bilal, Omar, Asad.

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  12. All squares are rectangles. All rectangles have four sides. Which statement must be true?

    • 1 No square is a rectangle
    • 2 All rectangles are squares
    • 3 Some squares have three sides
    • 4 All squares have four sides
    Show answer

    Correct answer: All squares have four sides

    The first two statements chain together.

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  13. A pipe fills a tank in 6 hours and another pipe empties it in 12 hours. With both open, how long does it take to fill the empty tank?

    • 1 18 hours
    • 2 12 hours
    • 3 9 hours
    • 4 6 hours
    Show answer

    Correct answer: 12 hours

    The net rate is 1/6 − 1/12 = 1/12 of the tank per hour.

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  14. Every number divisible by 6 is divisible by 3. The number 18 is divisible by 6. Which conclusion follows?

    • 1 18 is not divisible by 3
    • 2 18 is divisible by 3
    • 3 18 is divisible by 9 only
    • 4 18 is odd
    Show answer

    Correct answer: 18 is divisible by 3

    The rule applies to every number divisible by 6.

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  15. Hina is taller than Sara, Sara is taller than Fiza, and Fiza is taller than Dua. Who is the second tallest?

    • 1 Fiza
    • 2 Dua
    • 3 Sara
    • 4 Hina
    Show answer

    Correct answer: Sara

    The order from the tallest is Hina, Sara, Fiza, Dua.

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  16. What is the angle between the hands of a clock at 3:15?

    • 1 0°
    • 2 30°
    • 3 15°
    • 4 7.5°
    Show answer

    Correct answer: 7.5°

    The minute hand is at 90° and the hour hand is at 97.5°.

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  17. Some doctors are teachers. No teacher is a farmer. Which conclusion follows?

    • 1 All doctors are farmers
    • 2 All teachers are doctors
    • 3 No doctor is a teacher
    • 4 Some doctors are not farmers
    Show answer

    Correct answer: Some doctors are not farmers

    The doctors who are teachers cannot be farmers.

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  18. Ali has twice as many marbles as Bilal. Together they have 36. How many marbles does Ali have?

    • 1 12
    • 2 18
    • 3 30
    • 4 24
    Show answer

    Correct answer: 24

    Bilal has 12 and Ali has 24.

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  19. Only members can enter the library. Zara entered the library. Which conclusion follows?

    • 1 Zara is not a member
    • 2 Zara works there
    • 3 Zara is a member
    • 4 Zara is a student
    Show answer

    Correct answer: Zara is a member

    If only members can enter, anyone who entered is a member.

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  20. A train leaves at 9:15 and the journey takes 2 hours 50 minutes. When does it arrive?

    • 1 12:20
    • 2 11:55
    • 3 12:05
    • 4 12:15
    Show answer

    Correct answer: 12:05

    Adding 2 hours gives 11:15 and 50 more minutes gives 12:05.

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  21. Every student in the class passed. Rana is in the class. Which conclusion follows?

    • 1 Rana was absent
    • 2 Rana is the teacher
    • 3 Rana passed
    • 4 Rana failed
    Show answer

    Correct answer: Rana passed

    The statement applies to every student in the class.

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  22. Three consecutive numbers add up to 45. What is the largest of them?

    • 1 16
    • 2 17
    • 3 15
    • 4 14
    Show answer

    Correct answer: 16

    The numbers are 14, 15 and 16.

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  23. All teachers in the school are graduates. Nadia is a teacher in the school. Which conclusion follows?

    • 1 Nadia is a student
    • 2 Nadia is a graduate
    • 3 All graduates are teachers
    • 4 Nadia is not a graduate
    Show answer

    Correct answer: Nadia is a graduate

    The first statement applies to every teacher.

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  24. Five friends sit in a row. Ali is at the left end and Zara is at the right end. Bilal sits next to Ali. Who cannot sit at either end?

    • 1 Zara
    • 2 Bilal
    • 3 Ali
    • 4 Nobody
    Show answer

    Correct answer: Bilal

    Ali and Zara take the ends, so Bilal sits second.

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  25. If today is Friday, what day was it 10 days ago?

    • 1 Tuesday
    • 2 Wednesday
    • 3 Monday
    • 4 Sunday
    Show answer

    Correct answer: Tuesday

    Ten days ago is one week and three days back, and Friday minus three days is Tuesday.

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  26. No bird is a mammal. All bats are mammals. Which conclusion follows?

    • 1 No bat is a bird
    • 2 Some bats are birds
    • 3 All birds are bats
    • 4 All mammals are bats
    Show answer

    Correct answer: No bat is a bird

    Bats are mammals, and no mammal is a bird.

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  27. A shop sells pens at Rs 20 each. Sara buys 3 pens and pays with a Rs 100 note. How much change does she get?

    • 1 Rs 30
    • 2 Rs 60
    • 3 Rs 80
    • 4 Rs 40
    Show answer

    Correct answer: Rs 40

    The pens cost 60, so the change is 40.

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  28. The ages of Hira, Sana and Maha are all different. Hira is older than Sana, and Maha is younger than Sana. Who is the oldest?

    • 1 It cannot be decided
    • 2 Maha
    • 3 Sana
    • 4 Hira
    Show answer

    Correct answer: Hira

    The order from the oldest is Hira, Sana, Maha.

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