Free OTS Preparation 2026

Free OTS preparation with solved past papers, unlimited chapter-wise MCQs and full-length mock tests, every answer explained. No fee and no account needed to start. Open Testing Service Tests is conducted by Open Testing Service.

Recruitment tests conducted by OTS for public sector organisations.

OTS MCQs with answers and explanations

Free OTS MCQs for every subject on the paper: English, Mathematics, Analytical and Logical Reasoning and General Knowledge. Each question is chapter-wise, taken from the Open Testing Service syllabus, and carries a written explanation of why the correct option is correct, so a wrong attempt teaches you the fact you were missing instead of just marking you down. Unlimited attempts, no fee and no account needed. Pick the subject you are weakest in and start there.

Sample OTS MCQs by subject

A few questions from across each subject on the OTS paper. Open one for the correct answer and its explanation.

OTS paper at a glance

Open Testing Service Tests is 100 MCQs in 120 minutes, with no negative marking, so never leave a question unanswered.

100

MCQs

120

Minutes

No

Negative marking

OTS subject weightage

How many MCQs each subject contributes to the OTS paper, and how many free MCQs we hold for it. Study in this order: the heaviest subject is where a weak topic costs you the most marks.

SubjectMCQs on paperShareFree MCQs here
OTS English MCQs3030%10,394
OTS Mathematics MCQs3030%1,551
OTS Analytical and Logical Reasoning MCQs2020%2,989
OTS General Knowledge MCQs2020%7,202

Full OTS paper pattern 2026: the marking scheme, the time each subject is worth, and the subject weightage charted.

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OTS preparation: frequently asked questions

What is the OTS paper pattern?

OTS is 100 MCQs in 120 minutes, about 72 seconds a question. There is no negative marking. The marks are split across 4 subjects, led by English at 30 MCQs.

Which subjects are in the OTS paper?

English (30 MCQs), Mathematics (30 MCQs), Analytical and Logical Reasoning (20 MCQs) and General Knowledge (20 MCQs), 100 in total. Start with English: a weak chapter there costs more marks than a weak chapter anywhere else on the OTS paper.

Is OTS preparation on TestUstad really free?

Yes. All 22,136 OTS MCQs here, across English, Mathematics and Analytical and Logical Reasoning and the rest of the paper, can be practised at no cost with the answer and explanation shown. Paid OTS access only adds full-length OTS mocks on the 100-MCQ pattern and a saved record of your scores.

How many free OTS MCQs are there?

22,136 across the OTS syllabus: 10,394 English MCQs, 1,551 Mathematics MCQs, 2,989 Analytical and Logical Reasoning MCQs and 7,202 General Knowledge MCQs. Each one carries the correct answer and a written explanation, and attempts are unlimited.

How should I prepare for OTS?

The OTS syllabus here runs to 26 chapters across 4 subjects. Work through them in weightage order, English (30), Mathematics (30) and Analytical and Logical Reasoning (20) first, and stay on each chapter until you score above 80 percent. OTS has no negative marking, so practise answering every question, including the ones you have to guess. In the final weeks, sit timed mixed tests at the real pace of about 72 seconds a question.

Does TestUstad have OTS past papers?

Not as solved papers yet. Until one is added, the 22,136 OTS MCQs here cover the same English, Mathematics and Analytical and Logical Reasoning syllabus, and any OTS paper that is added appears on the OTS past papers page with every answer explained.

Who conducts the OTS exam?

Open Testing Service Tests is conducted by Open Testing Service. Dates, eligibility and the fee change every cycle, so confirm them on the Open Testing Service advertisement before you apply.

Exams similar to OTS

Other tests prepared for on TestUstad. The question bank is shared by subject rather than split by exam, so any subject one of these has in common with OTS is the same bank you are already practising, and the work carries across.