Hello.

The level of difficulty depends on your preparation, really. If you prepare well, it could prove easy to you, and if not, it could be hard to crack.

So, give your fullest during the preparation. 

However, time management is an important skill for ENAT, as you have to solve 240 questions in only 2.5 hours.

MU OET 2018 Syllabus of Physics
Atomic Physics; Dynamics; Heat; Physical Optics; Geometrical Optics; Current Electricity; Electrostatistics
Chemistry Syllabus for MU OET
Stoichiometry; Atomic Structure; Periodic Properties; Oxidation Number; Electro-chemistry; Oils and Fats; Organic Compounds with Oxygen-2, Amines; Gaseous State; Coordination Compounds; Chemical Thermodynamics-2; Chemical Kinetics; Carbohydrates; Hydrocarbons-2; Haloalkanes; Chemical Bonding–2; Organic Chemistry; Amino Acids and Proteins;D - Block Elements (Transition Elements); Solid State; Isomerism-2; Theory of Dilute Solutions; Metallurgy – 2; Industrially Important Compounds; Group 18, Nobel Gases; Colloids

Maths Syllabus for MU OET
Differentiation; Definite Integrals; Differential Equations; Probability Inequalities; Partial Factions; Logarithms;
Mathematical Induction; Summation of Finite Series; Theory of Equations; Binomial Theorem; Mathematical Logic; Analytical Geometry; Trigonometry; Algebra; Limits and Continuity; Elements of Number Theory; Vectors; Matrices and Determinants; Analytical Geometry; Circles; Conic Sections (Analytical Geometry); Complex Numbers;
This will help you to plan a strategy as to what are your weak areas and what are your strong areas and how much time you should devote to each subject and topic.
The other thing which you should be aware of is the exam pattern. This will help you to know the strategy that you need to adopt on that particular day.

There will be a total number of 200 questions. There are 50 questions from Physics, 50 Questions and Chemistry, 50 questions from Mathematics, and English and general aptitude. Candidates can answer the questions in 2:30 hours. For every correct answer, candidates will get one mark and there is no negative marking.

Hope this is helpful.

Good luck.