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Home Logical Reasoning Number Series See What Others Are Saying!
  • Question
  • Look at this series: 31, 29, 24, 22, 17, ... What number should come next?


  • Options
  • A. 15
  • B. 14
  • C. 13
  • D. 12

  • Correct Answer
  • 15 

    Explanation
    This is a simple alternating subtraction series, which subtracts 2, then 5.
  • Tags: AIEEE, Bank Exams, CAT

    More questions

    • 1. Which word does NOT belong with the others?

    • Options
    • A. cornea
    • B. retina
    • C. pupil
    • D. vision
    • Discuss
    • 2. Many business offices are located in buildings having two to eight floors. If a building has more than three floors, it has a lift.

    • Options
    • A. All floors may be reached by lifts.
    • B. Only floors above the third floor have lifts.
    • C. Seventh floors have lifts.
    • D. Second floors do not have lifts.
    • Discuss
    • 3. Choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 4. Choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 5. Choose the picture that would go in the empty box so that the two bottom pictures are related in the same way as the top two:

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 6. Statements: National Aluminium Company has moved India from a position of shortage to self-sufficiency in the metal.

      Conclusions:

      1. Previously, India had to import aluminium.
      2. With this speed, it can soon become a foreign exchange earner.


    • Options
    • A. Only conclusion I follows
    • B. Only conclusion II follows
    • C. Either I or II follows
    • D. Neither I nor II follows
    • E. Both I and II follow
    • Discuss
    • 7. Statement: Footpaths of a busy road are crowded with vendors selling cheap items.

      Courses of Action:

      1. The help of police should be sought to drive them away.
      2. Some space should be provided to them where they can earn their bread without blocking footpaths.


    • Options
    • A. Only I follows
    • B. Only II follows
    • C. Either I or II follows
    • D. Neither I nor II follows
    • E. Both I and II follow
    • Discuss
    • 8. 8 12 9 13 10 14 11

    • Options
    • A. 14 11
    • B. 15 12
    • C. 8 15
    • D. 15 19
    • E. 8 5
    • Discuss
    • 9. Statement: The government has decided to hold the employers responsible for deducting tax at source for all its employees.

      Assumptions:

      1. The employers may still not arrange to deduct tax at source for its employees.
      2. The employees may not allow the employers to deduct tax at source.


    • Options
    • A. Only assumption I is implicit
    • B. Only assumption II is implicit
    • C. Either I or II is implicit
    • D. Neither I nor II is implicit
    • E. Both I and II are implicit
    • Discuss
    • 10. Statement: Mr. X, an active member of the Union, often insults his superiors in the office with his rude behaviour.

      Courses of Action:

      1. He should be transferred to some other department.
      2. The matter should be referred to the Union.


    • Options
    • A. Only I follows
    • B. Only II follows
    • C. Either I or II follows
    • D. Neither I nor II follows
    • E. Both I and II follow
    • Discuss


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