At this series: 6, 9, 7, 10, 8, 11... What number should come next?

2026

At this series: 6, 9, 7, 10, 8, 11... What number should come next?

  1. A.

    14

  2. B.

    8

  3. C.

    9

  4. D.

    10

Attempted by 1325 students.

Show answer & explanation

Correct answer: C

Answer: 9

Key insight: the sequence alternates adding 3 and subtracting 2.

  • 6 + 3 = 9

  • 9 - 2 = 7

  • 7 + 3 = 10

  • 10 - 2 = 8

  • 8 + 3 = 11

  • 11 - 2 = 9

Therefore the next term in the series is 9.

Explore the full course: Tcs Live Preparation