PYQPulse
HomeMocksPracticePYQsDashboard
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. RRB Junior Engineer / DMS / CMA
  6. ›
  7. 2015
  8. ›
  9. Q274

RRB Junior Engineer / DMS / CMA 2015 · Question 274 of 480

A trivalent metal “M” was made to react with oxygen to yield 0.25 mole of metal oxide. Which of the following is a correct statement about the product of this reaction? The reaction product contains

  1. A1.506 × 1023 molecules of oxide of formula M2O3.Correct
  2. B1.506 × 1023 molecules of oxide of formula M3O2.
  3. C1.506 × 105.75 molecules of oxide of formula M3O2.
  4. D1.506 × 105.75 molecules of oxide of formula M2O3.

Answer: A. 1.506 × 1023 molecules of oxide of formula M2O3.

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 28-August Shift question paper with solutions — splessons.com · reliable-secondary

← Q273View full paper (480 questions)Q275 →

Practice the full RRB Junior Engineer / DMS / CMA 2015 paper

Timed test with all 480 questions, just like the real exam.

Start test