IB ACIO Tier 1 Mock Test Series 2026 - 2 Full-Length Mocks

The IB ACIO Tier 1 Mock Test Series 2026 - 2 Full-Length Mocks from GD Sir's Classes gives you two full-length papers built on the IB Assistant Central Intelligence Officer Grade-II/Executive Examination - Tier-I pattern. Each mock has the same number of questions, time limit and marking scheme you will face on exam day.

IB ACIO Tier 1 mock test pattern

• Current Affairs: 20 questions, 20 marks

• General Studies: 20 questions, 20 marks

• Numerical Aptitude: 20 questions, 20 marks

• Reasoning / Logical Aptitude: 20 questions, 20 marks

• English: 20 questions, 20 marks

• Total: 100 questions, 100 marks, 1 hour

• Marking: +1 for a correct answer, -0.25 for a wrong answer

• Tier-I is a screening round: cut-offs were 35 (UR and EWS), 34 (OBC) and 33 (SC/ST) out of 100 in the last cycle

• Tier-II is a descriptive paper and Tier-III an interview

What is inside

• IB ACIO Tier 1 Full Mock Test 01 - a full paper to benchmark where you stand

• IB ACIO Tier 1 Full Mock Test 02 - a fresh question set with a moderately higher difficulty mix

• A detailed explanation for every question

• Score, accuracy and section-wise analysis after each attempt

• Questions in Hindi and English

IB ACIO Tier 1 syllabus covered

• Current Affairs: national and international events of the last 12 months, awards, sports, government schemes, summits and appointments

• General Studies: Indian history, art and culture, freedom struggle, polity and Constitution, Indian geography and environment, Indian economy

• Numerical Aptitude: number system, basic algebra, percentage, ratio and ages, profit, loss and discount, interest, average, time and work, time and distance, mixtures

• Reasoning / Logical Aptitude: series, odd one out, coding-decoding, coded blood relations, data sufficiency, floor and row arrangements, statements and conclusions, directions

• English: reading comprehension, fill in the blanks, articles, spelling, synonyms and antonyms, one-word substitution, idioms and proverbs, para jumbles

Who should take these mocks

• Graduates preparing for IB ACIO Grade II/Executive

• Aspirants who want 20 current affairs questions in every mock

• Candidates who need to beat the 60-minute time limit

New to the pattern? Start with the free IB ACIO Tier 1 mock from GD Sir's Classes.

These are independent practice papers written on the latest IB ACIO Tier 1 pattern and are not official question papers.