How to Prepare Reasoning for NIACL Assistant Prelims 2018 Exam?

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Reasoning ability is the most scoring section in this exam. Many of the students are comfortable and have a good command of the reasoning section. However, some candidates don’t know how to tackle this section and as day by day the level of questions is increasing as well as many new topics are introducing. Often students get confused that from where they should start this section. For example, they should start with the puzzle or attempt this part at last. So, we are here with the study notes and preparation strategy of the reasoning section for NIACL Assistant Prelims exam 2018

NIACL Assistant Prelims: Exam analysis of Reasoning Ability 2017


Expected Number of Questions


 5 Questions

Alphanumeric Series/Number Series/Alphabet series

 5 Questions

Arrangement and Puzzles (Scheduling based puzzle, double row linear arrangement, square arrangement)

 15 Questions

Miscellaneous (Blood Relation/Direction/Order & Ranking/Coding & decoding)

 10 question

Above mentioned topics are the most important topics which you must prepare very well for the NIACL Assistant Prelims Exam. Apart from these topics, you also need to study the following chapters in order to tackle any kind of surprises in this section :

  • Data Sufficiency: 5 questions
  • Input-Output: Set of 5 questions
  • Coding Decoding: 5 questions
  • Inequality: 5 questions

Reasoning Ability Preparation Tips for NIACL Assistant Exam 2018

1. Understanding of Basic Concepts – Always clear your every doubt and understand each concept very well for every chapter.

2. Practicing different type of Questions – Start solving easy and moderate level questions but only solving the usual questions is not going to help you in the exam. Move yourself solving the higher level questions. it will help you enhance your speed and accuracy.

3. Keep updated with new pattern questions – With the changing pattern of topics from this section, it is necessary to be up to date with the questions. Previous year questions are helpful, but also solve new types of questions asked in recent banking exams.

NIACL Assistant Prelims Reasoning Ability: Topic-Wise Preparation Tips

Inequality :

  • This is the most scoring topic.  It is not very tricky as well as it takes less time in solving.
  • There are two types of Inequality topic which are asked in the exam : 
    1. Direct Inequalities 
    2. Coded Inequalities
  • You need to understand some basic concepts of this chapter and then master yourself by solving a good number of questions.


Coding – Decoding:

  • From this topic, maximum 4-5 questions can be expected in the prelims exam.
  • Many new patterns of this topic have been asked in the latest banking exams. Revise all the basic rules of the topic and practice its questions for deep understanding.
  • After the practice of different types of questions, you will be able to recognize the coding-decoding pattern quickly.

Coding Decoding

Coding decoding New Pattern

Ranks of alphabets

seating Arrangement and Puzzles:

  • Maximum questions (around 15 ) are expected from these topics.
  • Understand the concepts and practice the questions from Linear Arrangement, Circular Arrangement, and Square Seating Arrangement.
  • In puzzles, the most important ones are Floor Puzzles, Day/Month/Year Puzzles, scheduling and comparison based puzzles.
  • Be well aware of basic concepts of Blood relations as these are included in questions of Puzzles and Seating Arrangement sometimes.
  • The puzzle and Seating arrangement which consists of ‘Negative Information’ is usually tricky. So practice them well.
  • Be thorough with ‘Inward/Outward Direction Facing’ Concepts.
  • Practice possibility based puzzle as well as arrangement questions, with at least 1-2 parameters.
  • Try to make use of a timer while solving these questions to keep a track of the time you are spending on them. This practice on a regular basis will also help you minimize the time that you spend on puzzles and arrangement based questions.




  • Questions from Syllogism are expected to be direct in nature rather than reverse syllogism based.
  • Properly practice ‘possibility’ as well as ‘either-or’ case-based questions of this topic.
  • Try to use the Venn diagram approach to solve syllogism questions in less time.
  • Practice the questions of all cases, negative conclusions, and Possibility cases, Only Cases, Percent cases to master in this topic.


New Button

Alphanumeric Series/Number Series/Alphabet series :

  • Questions from this topic may be just numerical based or a combination of alphabets and number based series.
  • A good observation skill and proper practice will easily help you attempt all the 5-7 questions of these topics asked in the exam.
  • To save your time in the exam, learn shortcut rules of Right and Left Calculation for alphanumeric series. 

Alphanumeric Series

Blood Relation:

  • The best tip to solve blood relation question is that apply the question to yourself.
  • Questions of blood relation will be direct and not in coded form.
  • Practice making diagrams/ family tree while solving these questions and make sure that you denote the males & females symbols properly to avoid any confusion in the end.
  • You could take help of different signs, for instance, a + sign for a male and a minus sign for a female.
  • Also, in blood relation question, never assume the Gender. If the gender is not given clearly in the question, do not mark it according to your perception. 

Blood Relation

Direction Sense :

  • Learn the concepts of Directions, Cardinal directions, sunrise, sunset. There are four main directions and four cardinal directions.
  • Plotting proper figure based on the given question is again important for this topic, in order to have a correct direction sense.
  • Practicing a good number of question will help you in mastering this topic

Direction Sense

Order and Ranking :

  • There are rules and formulas for this chapter which you must know in order to solve them accurately in minimum time.
  • Understand questions of left and right as well as top and bottom and between.

Order & Ranking

Input-Output :

  • There are fewer chances for this topic in NIACL Assistant Prelims Exam. But you should not avoid it completely.
  • Understand the basic concept of the chapter. 
  • There are steps which follow a set pattern. Candidates need to identify this pattern. 
  • A great focus is essential while solving Input-output questions. If you miss out a word/number, then all answers will be incorrect.
  • Only thorough practice is the way to solve these questions efficiently.

Input Output

Must Remember Tips while attempting/practicing the Reasoning Section:

1. Questions Selection in the section:

Yes, the questions in the section are usually scattered, so, try to start with the less time-consuming topics of this section. These are:
(a) Inequality
(b) Syllogism
(c) Blood Relations
(d) Distance and Direction
(e) Alphanumeric Series
Questions from the above-mentioned topics are usually direct and they will easily fetch you 12-15 marks, depending on the topics asked in your slot.

2. Attempting maximum questions in 20 minutes

You will be given 20 minutes for this section and you have to try to attempt maximum questions within this time limit. While attempting the online mock tests, make sure that you attempt 25+ in the 20 minutes time frame itself.

3. Maintaining Accuracy:

  • Be precise while marking the answer to a question.
  • Do not guess the answer to any question.
  • Make sure that negative marking is there and Prelims exam is just qualifying nature.


Remember, the more thoroughly you practice different topics, the easier it would be to attempt them in the actual exam. So, try to devote at least 2 hours on a regular basis to the practice of Reasoning section specifically and attempt as many mock tests as you can!

You can practice Quiz of different topics from the link given below:

Reasoning Ability Quiz 

Make sure that you solve all the quizzes of Reasoning section. Attempt them regularly to strengthen your concepts.

For better practice and analysis of your performance, attempt daily Mini Mocks of NIACL Assistant Prelims exam on the updated pattern. 

Read here: Quantitative Aptitude Preparation Strategy for NIACL Assistant Pre 2018

NIACL Assistant Combo Test Series 2018

If you have any doubts, please let us know in the comments!

All the best for your exams,
Team gradeup!


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