Sample question
PhysicsWhich letter represents the SI prefix for Mega?
- A. P
- B. T
- C. M
- D. f
Show answer and explanation
C. M
Mega means one million, or 10⁶, and uses the uppercase symbol M.
NTS (National Testing Service)NTS NAT Preparation and Free Mock Tests
Choose Pre-Engineering (NAT-IE), Pre-Medical (NAT-IM), Computer Science (NAT-ICS) or Arts (NAT-IA). Practise with a free 90-question mock, worked explanations and subject scores. No signup needed.
Choose your NAT mock
Free. No signup needed.
- Length
- 90 questions
- Time
- 120 minutes
Choose Your Category First
| Your Qualification | Category | Papers | Format |
|---|---|---|---|
| 12 years (FSc, ICS, ICom, FA) | Category One | 6 papers (NAT-IE, NAT-IM, NAT-IA, NAT-ICS, NAT-IGS, NAT-ICOM) | 90 questions in 120 minutes |
| 14 years | Category Two | 5 papers (NAT-IIA, NAT-IIB, NAT-IIM, NAT-IIP, NAT-IIO) | 100 questions in 120 minutes |
Result Valid for One Year
Your NAT result is valid for one year. Apply to the universities in your subject group with a copy of your NTS result card.
NAT fees
The 2026 fee is Rs 1,510, or Rs 2,010 with the late fee. Check the NTS schedule for your test date and payment deadline.
About NTS NAT
Prepare for the NTS National Aptitude Test with free online mocks for Pre-Engineering (NAT-IE), Pre-Medical (NAT-IM), Computer Science (NAT-ICS) and Arts (NAT-IA). Each mock has 90 questions in 120 minutes: 20 English, 20 Analytical, 20 Quantitative and 30 subject questions. Review worked explanations and subject scores to choose what to practise next.
These four papers belong to Category One, for students with 12 years of education. NTS also offers other subject groups and Category Two papers for 14-year qualifications; the syllabus tables show their patterns. NAT results stay valid for one year. Associated universities include COMSATS, IST and participating FAST programmes, with eligibility and accepted NAT groups set by each programme.
Prepare for NTS NAT with Parhlai
AI chatbot
Ask Parhlai AI to explain a question, a concept or a mistake.
AI explanations
Get step-by-step help with the reasoning behind an answer.
Personalized tutors
Get one-to-one help from a tutor in the subjects you need.
Flashcards
Save questions as flashcards and revise by subject or topic.
Custom practice
Choose subjects and topics, or ask AI to build a practice test.
Timed mock tests
Practise completing a paper with a timer, then review your answers.
Progress tracking
See accuracy by subject and topic, then practise the topics you find difficult.
Saved questions
Bookmark questions and return to them when you revise.
NTS NAT Subject Breakdown
Explore the subject breakdown and selected topics. Check the official sources for the full syllabus.
English
Selected topics
- Sentence Completion
- Vocabulary (Analogy, Antonym, Synonym)
- Reading Comprehension
Analytical Reasoning
Selected topics
- Scenario-Based questions
- Statement-Based questions
Quantitative Reasoning
Selected topics
- Arithmetic
- Algebra
- Geometry
Subject (varies by type)
Selected topics
- Depends on your NAT type
- Pre-Engineering: Physics, Chemistry, Mathematics
- Pre-Medical: Physics, Chemistry, Biology
- Computer Science: Physics, Computer, Mathematics
- + 1 more
NTS NAT study guides
Choose a syllabus, past-paper guide or practice topic.
NTS NAT Syllabus
NAT 2027 syllabus guide on the latest verified NTS pattern: Category One 90 questions in 120 minutes, Category Two 100 in 120 minutes, full per-topic counts for all 11 papers, one-year validity.
NTS NAT Sample Papers
Original Parhlai practice examples with worked answers: English, quantitative, and analytical questions in NAT style.
Pre-Engineering (NAT-IE)
NAT-IE preparation for Pre-Engineering: 90 questions in 120 minutes, with English, Analytical and Quantitative reasoning plus Physics, Chemistry and Mathematics.
Pre-Medical (NAT-IM)
NAT-IM preparation for Pre-Medical: 90 questions in 120 minutes, with English, Analytical and Quantitative reasoning plus Biology, Chemistry and Physics.
Computer Science (NAT-ICS)
NAT-ICS preparation for Computer Science: 90 questions in 120 minutes, with English, Analytical and Quantitative reasoning plus Physics, Computer Science and Mathematics.
Arts (NAT-IA)
NAT-IA preparation for Arts: 90 questions in 120 minutes, with English, Analytical and Quantitative reasoning plus Islamiyat or Ethics, Pakistan Studies and General Knowledge.
Continue the NTS NAT guide
Use the syllabus tables and worked examples to plan your next study session.
View all free mock tests