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How to prepare for Numerical Ability section of SSC Delhi Police Constables

Vinay Kumar | March 1, 2017 at 1:06 pm

SSC Delhi Police Constable Numerica Aptitude

Staff selection commission (SSC) has announced recruitment process for selection of temporary Constables (executive) – male and female in Delhi Police. Last date for online application submission was closed in the month of October, 2016. Only candidates qualifying in Physical Endurance and Measurement Test will be called for the Computer based Written Examination, scheduled to be held on 4th March, 2017 onwards. We have discussed a detailed strategy to score well in the Numerical Ability section of SSC  Delhi Police Constables which includes below topics:

 

SSC  Delhi Police Constables Exam Format and Expected Cut off

SSC Constables Delhi Police will be an online Computer Based Test (CBT) consisting of 3 Subjects mentioned below-

S no Subject No. of Questions Maximum Marks Duration
1 Reasoning 35 35 90 Minutes
2 General Knowledge/ Current Affairs 50 50
3 Numerical Ability 15 15
Total 100 100
  • Overall Category-wise cut off for SSC Constables Delhi Police is discussed below:
Male Female
Post Vacancy Cut Off Vacancy Cut Off
General (UR) 1557 71 815 70
OBC 847 68 443 65
SC 473 60 250 62
ST 238 65 46 55
Total 3115 1554

As the expected cut off is very high so it is advisable to the candidates that they must start preparing today in a well planned manner so that they can meet this high cut off. In subsequent sections, you will get an exam strategy for online exam of SSC  Delhi Police Constables along with a study plan to clear the cut off.

 

SSC Constables Delhi Police Numerical Ability Section

The Numerical Ability test measures the numerical ability and accuracy in mathematical calculations of the candidates. The questions range from purely numeric calculations to problems of Ratio, Percentage, proportions analysis etc.

 

SSC Delhi Police constable executive online practice test

Trend Analysis

First step for preparation is to find out the expected number of questions from different topics of Numerical Ability test based on the previous year papers. We have prepared a trend analysis chart based on analysis of last year papers of SSC Delhi Police Constables.

Unit Topics No of Questions
2015 Expected
Ratios & Percentage Compound Interest and Simple Interest 1 3
Profit & Loss, Discounts, 1
Mixtures and Partnership 1
Data Interpretation & Logical Reasoning Tables, Bar Graph, Pie Charts 3 3
Measurement & Rates Boats & Streams and Trains 2 3
Problems on Ages and Work
Numerical Aptitude VBODMAS, Laws of exponents and Round off & approximations,Averages 2 1
Mensuration Circle, Rectangle, Triangle and Square 2 2
Cylinder, Cone, Cube, Sphere
Trigonometry Height & Distance 2 2
Solving Equations
Algebra Formulating equations, Formulas and Progressions 1 1
Total 15 15

This table gives an idea of different topics asked from various units in SSC Constables Delhi Police Numerical Ability section, based on the SSC  Delhi Police Constables syllabus. All the topics mentioned here may or may not be repeated in 2017 exam but we can assume that the trend will hold. Based on the trends and cut off marks, an exam strategy and detailed study plan to cover important topics under SSC Delhi Police Constables Numerical Ability exam is discussed below.

 

Exam Strategy

If prepared well, Numerical Ability is a scoring subject as it is based on appropriate calculations. So aspirants can follow the below given exam strategy to attempt most of the questions.

  • Time limits: You are given total 90 minutes to solve complete test consisting of 100 questions Which gives you 54 seconds per question.
  • First Target: Set your first target to solve atleast 12 questions taking 75 seconds per question which gives you 15 minutes to attempt Numerical Ability Section. Try to attempt these questions with 90% accuracy.
  • Second Target: After attempting 12 questions try to solve remaining questions in the time you are left with 85% accuracy. This will get you about 13 marks from this section.
  • It is suggested before you start, you should take SSC  Delhi Police Constables Mock Test so that you can easily point out your strongest and weakest points and start working on them.

 

Study plan and Important Topics

To complete the syllabus on time follow the given detailed study plan which gives you an idea about types of questions asked from various topics from Numerical Ability syllabus of SSC Constables Delhi Police.

S. No Unit Topics Remarks
1 Numerical Aptitude(Expected Questions: 1) Operations on Integers, Decimals and Fractions 1. Required in almost all Arithmetic problems so master your calculations first.2. Also learn squares and cubes of first 20 natural numbers to speed-up the calculations.
VBODMAS, Laws of exponents and Round off & approximations 1. Problems based on the order of operations in which they are carried out. 2. An expression containing numbers and operators between them is given. 3. Use of VBODMAS rule to find the missing value or to calculate result of the expression. 4. Sometimes it is also asked to take approximate values for calculations (e.g. 3.89 4).
Averages 1. Averages is another type which can be used in solving questions from some other chapters as well. 2. You need to understand the concept of averages and how it changes when some terms are Added or Excluded.
2 Ratios & Percentage(Expected Questions: 3, Requires basic calculation, based on that questions are asked in Data Interpretation) Percentage 1. The concept of percentage is the most important topic from this chapter. 2. They are used in questions from across other chapters as well and also a high number of questions can be expected from its applications such as Discount, Profit & Loss, and Simple and Compound Interest.
Compound and Simple Interest
Profit & Loss, Discounts
Ratios and Proportions 1. Ratios and proportions have a few direct questions.Apart from this, these are used along with percentages in numerous settings. 2. The most important concept is to know the difference between a ratio and a proportion and which one to use in the question.
Partnership and Mixtures
3 Data Interpretation & Logical Reasoning(Expected Questions: 3) Table and Caselets
  1. Problems from Data Interpretation consists of a table or graph based on which there are certain questions that need to be answered.
  2. The questions may ask to calculate Average, Percentage, Ratios or any other operations to find the solution.
  3. Requires faster and accurate calculations.
Line, Pie, Bar Graphs
Data Sufficiency
4 Algebra (Expected Number of questions: 1) Formulating and Solving Linear and Quadratic Equations 1. There can be a direct equation (Linear or Quadratic) is given or you need to formulate on based on the given problems. 2. It can be used to solve various other problems like work, speed, mensuration, Problems on ages etc.
Formulas 1. Problems containing expressions are given, which are solved using algebraic formulas. 2. Learn the basic formulas for solving squares and cubes of 2 variables.
5 Measurement & Rates(Expected Questions: 3) Boats & Streams 1. Some general questions based on time, distance and speed, Boats & Streams are asked. 2. Sometimes they also require conversions among the units (Speed form KM/h to M/Sec). 3. Formulate and solve an equation to solve the problem.
Trains
Problems on Ages and Work 1. Questions are based on Work done and Ages. 2. To solve them you need to formulate and solve linear equations.
6 Mensuration(Expected Questions: 2) 2 D Mensuration Based on area, perimeter and diagonal of rectangle, Triangle, circle and square.
3 D Mensuration Question from Concepts of Volume and surface area and their units (and conversion from one unit to another) for Cube, Cuboid, Sphere and Cylinder figure in the exam.
7 Trigonometry(Expected Questions: 2) Height & Distance 1. Problems based on height and distance of triangle are given. 2. To measure height and distance of different objects, trigonometric ratios are used.
Solving Equations 1. An expression containing trigonometric ratios are given and you need to solve the equations. 2. Learn the basic trigonometric formulas and ratios.

Above study plan is based on trends analysis of previous years papers of SSC Constables Delhi Police. You should refer detailed study materials for preparation of SSC Constables Delhi Police. Also take online mock tests for SSC Constables Delhi Police for practice and to assess the areas in which you need to prepare harder.

SSC Delhi Police constable executive online practice test in english

 

Points to Keep in Mind

Remember the fact that you need to really work hard as this is the only mental ability test for shortlisting of candidtes for next rounds which are medical examination and Police Verification. Also put your best efforts in preparing Reasoning and General Awareness sections. As there is no negative marking so try to attempt all the questions. The above detailed study plan is designed to give you a clear idea of the exam strategy which helps you to complete the syllabus on time so that you can put your efforts to take some full length mock tests for SSC Constables Delhi Police. For taking online mock test now, logon to www.eclonline.com where you will also get free study materials for all the subjects and throughout Performance analysis which will help you to achieve your target.

Good Luck!!

Vinay Kumar

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