Does IB ACIO have negative marking?

Yes — IB ACIO carries negative marking of -0.25 per wrong answer and 1 per correct answer. Skipping is safer than guessing blindly.

How is IB ACIO scored?

Scaled score range: 0 to 100. IB ACIO (out of 100).

How can I practise IB ACIO online for free?

Wrexa Edge gives you 3 free full-length IB ACIO mock tests — with instant scoring, detailed explanations and analytics — plus 47 more with Pro. Start practising in under a minute, no card required.

How long is the IB ACIO exam?

IB ACIO runs for 60 minutes total across 5 sections. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.

What topics are covered in IB ACIO?

IB ACIO is split into: Reasoning (20 Q), Numerical Aptitude (20 Q), English (20 Q), General Awareness (20 Q), General Studies + Aptitude (20 Q). Each section is timed and weighted separately. IB ACIO Tier I · 100 Q in 60 min · Reasoning + Math + English + GA + GS. +1/-0.25. · Official language: English & Hindi.

Is the IB ACIO test adaptive?

No — IB ACIO is a fixed-form (linear) test. Every candidate sees the same number of questions per section.

How many IB ACIO mock tests does Wrexa Edge offer?

Wrexa Edge generates 50 distinct IB ACIO variants — each with different question content, not just shuffled options — the first 3 free for everyone and 47 more with Pro. That's 5000 unique practice questions in the real test-day interface.

Is there a free IB ACIO test series 2026?

Yes. The Wrexa Edge IB ACIO test series for 2026 gives you 3 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.

Are IB ACIO previous year question–style papers included?

Every IB ACIO mock is modelled on the official exam pattern and the style of previous years' papers — the same 100-question structure, sections and marking — so your practice mirrors the real paper you'll sit.

Which is the best free IB ACIO mock test online?

Wrexa Edge's IB ACIO mock test replicates the real exam interface, timing and negative marking, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.

Can I take the IB ACIO mock test on mobile?

Yes. IB ACIO mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.

What is the IB ACIO syllabus?

The IB ACIO syllabus maps to its 5 sections: Reasoning (20 Q), Numerical Aptitude (20 Q), English (20 Q), General Awareness (20 Q), General Studies + Aptitude (20 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.

What is the eligibility for IB ACIO?

A bachelor’s degree in any discipline from a recognised university, with an age generally between 18 and 27 years (with category relaxations), and Indian citizenship. Wrexa Edge focuses on realistic IB ACIO practice: 3 free full-length mocks in the exact exam pattern, ready whenever you are.

When is the IB ACIO exam and how should I prepare?

Official IB ACIO exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 3 free IB ACIO mocks with instant scoring so you can track your readiness week by week.

IB ACIO (Intelligence Bureau — Assistant Central Intelligence Officer (Tier I)) — Free Online Mock Test

IB ACIO Tier I · 100 Q in 60 min · Reasoning + Math + English + GA + GS. +1/-0.25. · Official language: English & Hindi.

Advanced India Government & Civil Service 100 questions 60 min 50 distinct variants

Start free practice test →

IB ACIO exam at a glance

100

Questions

Minutes total

Sections

Variants

IB ACIO full-length mock tests

Attempt 50 full-length IB ACIO mock tests, each a distinct question set built on the real 100-question, 60-minute pattern — with instant scoring and section-wise analysis. The first 3 are free.

IB ACIO Mock Test 01Free

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 02Free

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 03Free

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 04Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 05Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 06Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 07Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 08Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 09Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 10Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 11Pro

100 Qs · 100 marks · 60 min

IB ACIO Mock Test 12Pro

100 Qs · 100 marks · 60 min

See all 50 IB ACIO mock tests →

IB ACIO key facts & eligibility

IB ACIO at a glance — verified exam facts
Conducting body	Intelligence Bureau, Ministry of Home Affairs (MHA), India
Official website	mha.gov.in ↗
Mode	Recruitment for Assistant Central Intelligence Officer, Grade-II/Executive, in three tiers: Tier-I, a computer-based objective test; Tier-II, a descriptive test (essay and English comprehension/précis); and Tier-III, an interview.
Frequency	Held periodically as vacancies arise (broadly annual), by MHA notification.
Scoring & marking	Tier-I is 100 objective questions (100 marks) in 1 hour across General Awareness, Quantitative Aptitude, Logical/Analytical Ability, English and General Studies, with 0.25 negative marking. Tier-II (50 marks) is descriptive and qualifying-plus-merit, followed by the Tier-III interview.
Language	English (and Hindi for parts of the descriptive stage).

Who is eligible for IB ACIO?

A bachelor’s degree in any discipline from a recognised university, with an age generally between 18 and 27 years (with category relaxations), and Indian citizenship.

Last verified July 2026 against Ministry of Home Affairs — official website. Always confirm current details on the official website before you register.

IB ACIO section breakdown

The IB ACIO mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.

Reasoning (20 Q)

20 questions · 12 minutes · ~36 sec/question
Numerical Aptitude (20 Q)

20 questions · 12 minutes · ~36 sec/question
English (20 Q)

20 questions · 12 minutes · ~36 sec/question
General Awareness (20 Q)

20 questions · 12 minutes · ~36 sec/question
General Studies + Aptitude (20 Q)

20 questions · 12 minutes · ~36 sec/question

IB ACIO scoring & marking scheme

Per correct answer

-0.25

Per wrong answer

Per blank / skipped

0–100

Scaled score range

Strategy: IB ACIO penalises wrong answers (-0.25 per mistake). Skip a question if you cannot eliminate at least 2 options — guessing blindly hurts your scaled score more than blanking.

Scale: IB ACIO (out of 100).

How IB ACIO is conducted

Mode
Standard — practice without proctoring on Wrexa Edge, or enable optional webcam proctoring to simulate test-day conditions.
Test format
Linear / fixed-form — every candidate sees the same number of questions per section.
Backtracking
Allowed — you can revisit and change answers within a section.
Mark for review
Available — flag tough questions and return to them before submitting the section.

IB ACIO time strategy

With 100 questions in 60 minutes, you have about 36 seconds per question on average. Successful candidates aim for the following pacing on each section:

Reasoning (20 Q)
Target ~36 sec/question. If a question takes more than 54 seconds, mark for review and move on.
Numerical Aptitude (20 Q)
Target ~36 sec/question. If a question takes more than 54 seconds, mark for review and move on.
English (20 Q)
Target ~36 sec/question. If a question takes more than 54 seconds, mark for review and move on.
General Awareness (20 Q)
Target ~36 sec/question. If a question takes more than 54 seconds, mark for review and move on.
General Studies + Aptitude (20 Q)
Target ~36 sec/question. If a question takes more than 54 seconds, mark for review and move on.

Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.

IB ACIO topics covered

Across the 50 Wrexa Edge variants of IB ACIO, the following topics appear most often (sample distribution from one variant):

Reasoning (20 Q)

Reasoning — Classification (odd one out) · 3
Coding-decoding · 2
Blood relations · 2
Number series · 2
Calendar · 1
Ordering and ranking · 1
Letter series · 1
Syllogism · 1

Numerical Aptitude (20 Q)

Percentages · 2
Time and work · 1
Mensuration · 1
Average speed · 1
Boats and streams · 1
Profit and loss · 1
Simple interest · 1
Compound interest · 1

English (20 Q)

Antonyms · 2
Synonyms · 2
One-word substitution · 2
Idioms · 2
Prepositions · 2
Articles · 1
Spelling · 1
Subject-verb agreement · 1

General Awareness (20 Q)

India geography · 5
Basic science · 3
Indian Polity · 3
Indian History · 3
National symbols · 2
Current Affairs 2023-2025 · 2
National institutions · 1
National heritage · 1

General Studies + Aptitude (20 Q)

Science · 4
Polity · 4
Science & Technology 2023-2025 · 4
General Knowledge · 3
Geography · 2
Modern history · 2
Ancient history · 1

IB ACIO difficulty calibration

Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.

IB ACIO Tier I · 100 Q in 60 min · Reasoning + Math + English + GA + GS. +1/-0.25. · Official language: English & Hindi.

Verified content — Wrexa Edge's IB ACIO bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).

How Wrexa Edge prepares you for IB ACIO

Real test-day interface
Our dense-grid skin mirrors the actual IB ACIO testing software — same timer, palette, tools, and navigation.
50 distinct variants
5000 unique practice questions, each variant a fresh test — not just shuffled options.
Detailed analytics
Scaled score, section accuracy, topic-wise heatmap, time-per-question — see where to focus after every attempt.
Spaced repetition (Notebook)
Wrong answers and flagged questions flow into an SM-2 spaced-repetition deck so you actually retain what you learn.
Optional proctoring
Browser-based face-api detection (no install) — turn it on to simulate a high-stakes environment.
Free to start
No credit card. Sign up, pick a variant, and your first IB ACIO mock starts in under a minute.

Expert take: what IB ACIO really tests

IB ACIO is a three-tier selection for India’s Intelligence Bureau: an objective Tier-I (0.25 negative), a descriptive Tier-II (essay and English comprehension/précis) and a Tier-III interview. Because Tier-II is descriptive, essay and précis skills — not just objective knowledge — shape the outcome.

Preparation tips

Build strong current affairs and general studies for Tier-I.
Practise essay and précis writing specifically for Tier-II.
Manage the 0.25 negative marking in the objective tier.

Common mistakes to avoid

Preparing only for the objective Tier-I and neglecting descriptive writing.
Guessing carelessly against the Tier-I negative marking.

IB ACIO study plan

A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.

1 Phase 1 — Tier-I foundations Months 1–2

Build General Awareness, current affairs and General Studies
Practise Quantitative Aptitude and Logical/Analytical Ability
Sharpen English for the objective test

2 Phase 2 — Descriptive skills Weeks after

Practise essay writing on current topics
Rehearse English comprehension and précis writing
Do timed Tier-I practice with 0.25 negative marking

3 Phase 3 — Mocks & interview Final weeks

Sit full Tier-I mocks
Polish essay and précis for Tier-II
Prepare for the Tier-III interview

Where IB ACIO can take you

A strong IB ACIO result opens up these careers and higher-study paths:

Intelligence Bureau officer
ACIO is an executive/Grade-II entry into India’s Intelligence Bureau.
National-security service
Work in intelligence gathering and analysis under the Ministry of Home Affairs.
Prestigious central role
A sought-after central-government security career.
Graduate-level entry
A degree-eligible route into the IB.

Best books & official prep for IB ACIO

IB ACIO Tier-I general-studies & aptitude guides — Various
Cover current affairs, reasoning, quant and English for the objective Tier-I.
Essay & précis-writing practice — Various
Tier-II rewards structured essays and accurate précis — practise both.

Official practice: Prepare current affairs and general studies for Tier-I and practise essay/précis writing for Tier-II; apply through the official MHA/IB notification.

Previous-year papers: Previous IB ACIO papers are widely available and reflect the current tiered pattern.

Frequently asked questions

What is the IB ACIO exam pattern?: Intelligence Bureau — Assistant Central Intelligence Officer (Tier I) contains 100 questions across 5 sections: Reasoning (20 Q), Numerical Aptitude (20 Q), English (20 Q), General Awareness (20 Q), General Studies + Aptitude (20 Q). Total duration is 60 minutes (about 36 seconds per question).
Does IB ACIO have negative marking?: Yes — IB ACIO carries negative marking of -0.25 per wrong answer and 1 per correct answer. Skipping is safer than guessing blindly.
How is IB ACIO scored?: Scaled score range: 0 to 100. IB ACIO (out of 100).
How can I practise IB ACIO online for free?: Wrexa Edge gives you 3 free full-length IB ACIO mock tests — with instant scoring, detailed explanations and analytics — plus 47 more with Pro. Start practising in under a minute, no card required.
What is the difficulty level of IB ACIO?: IB ACIO is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. IB ACIO Tier I · 100 Q in 60 min · Reasoning + Math + English + GA + GS. +1/-0.25. · Official language: English & Hindi.
How long is the IB ACIO exam?: IB ACIO runs for 60 minutes total across 5 sections. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
What topics are covered in IB ACIO?: IB ACIO is split into: Reasoning (20 Q), Numerical Aptitude (20 Q), English (20 Q), General Awareness (20 Q), General Studies + Aptitude (20 Q). Each section is timed and weighted separately. IB ACIO Tier I · 100 Q in 60 min · Reasoning + Math + English + GA + GS. +1/-0.25. · Official language: English & Hindi.
What tools or aids are allowed during IB ACIO?: No special tools are required.
Is the IB ACIO test adaptive?: No — IB ACIO is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
How many IB ACIO mock tests does Wrexa Edge offer?: Wrexa Edge generates 50 distinct IB ACIO variants — each with different question content, not just shuffled options — the first 3 free for everyone and 47 more with Pro. That's 5000 unique practice questions in the real test-day interface.
Is there a free IB ACIO test series 2026?: Yes. The Wrexa Edge IB ACIO test series for 2026 gives you 3 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
Are IB ACIO previous year question–style papers included?: Every IB ACIO mock is modelled on the official exam pattern and the style of previous years' papers — the same 100-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
Which is the best free IB ACIO mock test online?: Wrexa Edge's IB ACIO mock test replicates the real exam interface, timing and negative marking, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
Can I take the IB ACIO mock test on mobile?: Yes. IB ACIO mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
What is the IB ACIO syllabus?: The IB ACIO syllabus maps to its 5 sections: Reasoning (20 Q), Numerical Aptitude (20 Q), English (20 Q), General Awareness (20 Q), General Studies + Aptitude (20 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
What is the eligibility for IB ACIO?: A bachelor’s degree in any discipline from a recognised university, with an age generally between 18 and 27 years (with category relaxations), and Indian citizenship. Wrexa Edge focuses on realistic IB ACIO practice: 3 free full-length mocks in the exact exam pattern, ready whenever you are.
When is the IB ACIO exam and how should I prepare?: Official IB ACIO exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you 3 free IB ACIO mocks with instant scoring so you can track your readiness week by week.

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