RRB NTPC 2020 Exam: Important Topics for Mathematics

The first stage CBT of RRB NTPC 2020 will be conducted from December 28, 2020 till March 20, 2021. Mathematics is one of the most important sections in RRB NTPC exam. This section can become the candidate’s strength if they are clear with the basic concepts and formulas of Mathematics. A total of 30 objective-type multiple-choice questions will be asked. The level of Mathematics questions will be of Class 10 and 12 standards. In this article, we have compiled the important topic for Mathematics section.

RRB NTPC 2020: Important topics for Mathematics

Below are the major topics covered under the Mathematics section of RRB NTPC along with its difficulty level.

Important Topic	Difficulty Level
Simplification (Fractions and Decimals, Square roots)	Easy
Percentage	Easy
Average	Easy
Ratio and Proportion	Easy
Problems on Ages	Easy
Number System	Easy to moderate
Number Series	Easy to moderate
Time, Speed and Distance (Problems on Boats and Streams, Problems on Trains)	Moderate
Profit and Loss (Discount and Partnership)	Moderate
Simple Interest and Compound Interest	Moderate
Time and Work (Pipes and Cisterns)	Moderate
Mixture and Alligation	Moderate
Data Interpretation (Bar Graphs, Pie Charts, Tables, etc)	Easy to Moderate
Mensuration & Geometry (Triangle, Quadrilaterals, Regular Polygons, Circle, Right Prism, Right Circular Cone, Right Circular Cylinder, Sphere)	Difficult

The above-mentioned topics are explained in detail.

Simplification: One or two questions come from this topic such as BODMAS, Rule, Fractions, Surds and Indices, Square roots, etc.

Percentage: Question from this topic comes every year. Try to work on this thoroughly and calculate the percentage of a given number mentally.

Average: This chapter only requires knowledge of basics and fast calculation.

Ratio and Proportion: Candidates will get one or two questions from this topic. Such kind of questions is of both basic and advanced levels.

Problems on Ages: Try to solve the basic problems first and then move on to the complex problems.

Number Series: Try to understand the pattern of Number Series which can be of any form such as addition, subtraction, multiplication, division, square, etc.

Number System: Questions from this topic are asked in the form of LCM & HCF, Irrational or Rational Numbers, etc.

Time, Speed and Distance: Problems on Boats & Streams and Trains are an integral part of this chapter.

Profit and Loss: Basic formulas and concepts of discount and partnership form the outline of this chapter.

Data Interpretation: In the Data Interpretation, the concept of Ratio and Proportion and Percentages are used. Such types of questions is asked in the form of Bar Graphs, Pie Charts, Tables, etc.

Geometry: This section forms a major portion of the Quantitative Aptitude section. Try to remember all the theorems to solve the problems related to circle, chords, tangent, etc.

Mensuration: Try to remember formulae of Square, Rectangle, Circle, Cone, Cylinder, etc.

Tips and tricks to crack Mathematics section

Candidates can check below RRB NTPC 2020 preparation tips for Mathematics.

• Try to learn basics of all the topics and gain in-depth knowledge
• Learn shortcuts or tricks for quick calculations
• Try to first focus on weak areas and spend more time solving them
• Try not to give more than one minute to any question while solving them
• Allot proper time to the important topics covered in the exam

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