PYQPulse
HomeMocksPracticePYQsUpdatesDashboard
PYQPulse

Timing-accurate mock tests and PYQs for SSC, Banking and Railway exams — so the real paper feels like a revision.

Exams

  • SSC exams
  • Banking exams
  • Railway exams
  • All exams

Practice

  • Practice questions
  • Mock test series
  • Sectional tests
  • Year-wise PYQs
  • Performance analytics

Company

  • About us
  • Help Centre
  • Pricing
  • Sign in

Legal

  • Privacy Policy
  • Terms of Service

Contact

  • hello@testwala.co.in
  • Telegram
  • +91 62816 87760

Practice interface modeled on the official exam pattern — not the official examination. PYQPulse is not affiliated with the Staff Selection Commission, IBPS, SBI, RBI, NABARD, SEBI or Indian Railways.

© 2026 PYQPulse. All rights reserved.

Built for aspirants, by aspirants.

HomeMocksPracticeStats
  1. Home
  2. ›
  3. PYQs
  4. ›
  5. TGPSC Group-I
  6. ›
  7. 2023
  8. ›
  9. Q123

TGPSC Group-I 2023 · Question 123 of 136

What is the missing number in the following series ? 7, 8, 20, ?, 292, 1485

Mental Ability

  1. A50
  2. B55
  3. C45
  4. D69Correct

Answer: D. 69

Explanation

Pattern ×1+1, ×2+4, ×3+9, ×4+16, ×5+25: 20×3+9 = 69.

Source: TGPSC Group-I Preliminary Test 2023 official question paper (held 11 Jun 2023)

← Q122View full paper (136 questions)Q124 →

Practice the full TGPSC Group-I 2023 paper

Timed test with all 136 questions, just like the real exam.

Start test