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Home Verbal Reasoning Number Series See What Others Are Saying!
  • Question
  • Look at the series : 3, 7, 24, 11, __, 19, 19,... What number should fill the blank ?


  • Options
  • A. 15
  • B. 13
  • C. 21
  • D. 16

  • Correct Answer
  • 15 

    Explanation

    Two series alternate here, with every third number following a different pattern.
    In the main series, 4 is added to each number to arrive the next.
    In alternate series, 5 is subtracted from each number t arrive the next number.
    Here in the main series
    3 + 4 = 7
    7 + 4 = 11
    11 + 4 = 15
    15 + 4 = 19

    In alternate series
    24 - 5 = 19
    19 - 5 = 14...

  • Tags: AIEEE, Bank Exams, CAT, GATE, GRE, Bank Clerk, Bank PO

    More questions

    • 1. 
      Who sits between G and D?

    • Options
    • A. H
    • B. D
    • C. F
    • D. E
    • Discuss
    • 2. Find the odd one out:

    • Options
    • A. 49
    • B. 36
    • C. 65
    • D. 100
    • Discuss
    • 3. 
      NA

    • Options
    • A. Ring
    • B. Tyre
    • C. Plate
    • D. Bangle
    • Discuss
    • 4. 
      NA

    • Options
    • A. Huge
    • B. Tiny
    • C. Heavy
    • D. Small
    • Discuss
    • 5. 
      15/20 ÷ 4/5 x 2/3 x 8/5 =?

    • Options
    • A. 0
    • B. 1
    • C. 3
    • D. 5
    • Discuss
    • 6. 
      NA

    • Options
    • A. Raft
    • B. Chariot
    • C. Sledge
    • D. Cart
    • Discuss
    • 7. 
      NA

    • Options
    • A. 729
    • B. 123
    • C. 423
    • D. 621
    • Discuss
    • 8. 
      NA

    • Options
    • A. 11
    • B. 8
    • C. 14
    • D. 66
    • Discuss
    • 9. 
      NA

    • Options
    • A. Iron
    • B. Mercury
    • C. Silver
    • D. Gold
    • Discuss
    • 10. MO : 13 11 :: HJ :?

    • Options
    • A. 19 17
    • B. 18 16
    • C. 8 10
    • D. 16 18
    • Discuss


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