Sequences and Series

Sequences and Series

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Sequences and Series
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Aptitude miscellaneous
  1. 2, 9, 28, 65, 126, ..... ?








  1. View Hint View Answer Discuss in Forum

    Series pattern
    13 + 1, 33 + 1, 43 + 1, 53 + 1

    Correct Option: D

    Series pattern
    13 + 1, 33 + 1, 43 + 1, 53 + 1
    ∴ Missing term = 63 + 1 = 217

  1. 14, 33, 104, ?, 2110








  1. View Hint View Answer Discuss in Forum

    Series pattern
    x 2 + 5, x 3 + 5, x 4 + 5, x 5 + 5,
    ∴ Missing term = 104 x 4 + 5

    Correct Option: A

    Series pattern
    x 2 + 5, x 3 + 5, x 4 + 5, x 5 + 5,
    ∴ Missing term = 104 x 4 + 5 = 416 + 5 = 421

  1. 840, ?, 420, 140, 35, 7








  1. View Hint View Answer Discuss in Forum

    Series pattern
    ÷ 1, ÷ 2, ÷ 3, ÷ 4, ÷ 5
    ∴ Missing term = 840/1 = 840

    Correct Option: B

    Series pattern
    ÷ 1, ÷ 2, ÷ 3, ÷ 4, ÷ 5
    ∴ Missing term = 840/1 = 840

  1. 125, 80, 45. ?, 5








  1. View Hint View Answer Discuss in Forum

    Series pattern - 45, - 35, -25,...

    Correct Option: A

    Series pattern - 45, - 35, -25,...
    ∴ Missing term = 45 - 25 = 20