Number & Letter Series

Find the missing term in arithmetic, alphabetic, mixed series.

What's covered

This topic carries 104 questions in our bank, drawn from the SSC CGL syllabus and previous-year papers. Every question has a worked-out explanation.

PYQs by year

  • SSC CGL 2025 64 questions
  • SSC CGL 2024 25 questions
  • SSC CGL 2023 6 questions
  • SSC CGL 2022 5 questions

Sample questions

  1. Q1

    Find the missing term: 2, 5, 10, 17, 26, ?

  2. Q2 SSC CGL 2024

    Find the missing term: 3, 6, 12, 24, ?, 96

  3. Q3 SSC CGL 2023

    Letter series: AZ, BY, CX, DW, ?

Start the quiz above to see all questions and answers.