The Staff Selection Commission conducts the SSC CHSL Exam annually to recruit candidates for various posts in different departments & organizations in the Government of India. As the SSC CHSL 2020 Exam is around the corner, we have provided the SSC CHSL Maths Preparation plan that helps candidates to score good marks in this section.
- Aspirants must note that that should top ost priority to Maths section, as this section covers one-fourth of marks in the CHSL exam.
- Before starting the preparation, candidates must have a thorough understanding of the SSC CHSL Maths Syllabus.
- Maths section consumes more time in the Tier 1 exam of SSC CHSL. However, with proper preparation plan and daily practice, applicants can score the highest marks in this section.
- Solving SSC CHSL Previous Year Papers will help candidates to know the type of questions asked in the exam and the difficulty level of the paper.
SSC CHSL Maths Preparation 2020
As per the previous year SSC CHSL Exam Analysis, Quantitative Aptitude section in Tier 1 exam is considered to be a tricky and time-consuming section. Aspirants have to gear up their Maths Preparation for SSC CHSL as the exam is scheduled to be held from 17 to 21 August 2020 & 24 to 27 August 2020.
- Before starting the preparation, candidates must be aware of the syllabus and exam pattern of the SSC CHSL 2020.
- Quantitative Aptitude Section of Tier 1 Exam consists of 25 questions and each question carries two marks.
- In this post, we have provided the SSC CHSL Maths Preparation Strategy that helps candidates to better prepare for the exam.
- Candidates are advised to take up SSC CHSL Mock Tests regularly. This will help increase their confidence levels and help revise all the topics.
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SSC CHSL Maths Preparation Tips 2020
The QA section of the SSC CHSL Tier 1 exam focusses on concepts of elementary school. Most of the questions asked from this section are based on the topics from 10^{th} class textbooks. Candidates are advised to follow the SSC CHSL Preparation Tips provided by experts which will help get an idea about how to plan their preparation for the exam. Here are the short tricks to improve speed and accuracy for SSC CHSL Maths Preparation 2020:
- Find the easiest 15 questions in QA question and solve them with 100% accuracy.
- Make sure the maximum time devoted to each question is 45 seconds.
- Solve as many questions as possible in this section since there is no sectional cut off.
- Try to give more time to the topics that are tough at then move to the easy topics.
- Rather than worrying about the time, focus on solving the questions accurately. As you practice and solving more questions at this stage and getting answers accurately. Automatically, your speed of solving the questions will also be improved.
- Attempt at least 22-23 questions in this section to get 18-20 questions correct. This will be around 90% accuracy for the section.
- Make a chart of all the formulas and paste it in your room. Keep going through the formulas whenever you get the time.
- Focus more on calculations to avoid silly mistakes.
SSC CHSL Maths Weightage
If students pay complete attention to this section, they can surely attempt more than 20 questions in the Tier 1 Exam. To avoid mistakes in the exam, students have to memorize the short tricks and formulae.
Here is the topic-wise weightage to improve SSC CHSL Maths Preparation as per the observations from previous year papers:
Topics |
Weightage of Questions |
Algebra |
5 |
Percentage/ Profit, Loss & Discount |
7 |
Mensuration |
6 |
Geometry |
4 |
Trigonometry |
5 |
Ratio/ Allegation/ Average |
3 |
Time & Work |
3 |
Data Interpretation |
7 |
Simple & Compound Interest |
2 |
Time, Speed & Distance |
3 |
Coordinate Geometry |
2 |
Number System |
4 |
SSC CHSL Tier 1 Exam Pattern 2020
As per the SSC CHSL Exam Pattern, the Tier exam comprises of four sections: Reasoning, General Awareness, Quantitative Aptitude, English.
- All the questions are of objective nature.
- Candidates have to give a penalty of 0.5 marks for each wrongly answered question.
- Furthermore, there is no sectional cut off in the Tier 1 exam.
Subject |
No. of Questions |
Maximum Marks |
Time |
Reasoning Ability |
25 |
50 |
60 minutes in total |
English Language |
25 |
50 |
Quantitative Aptitude |
25 |
50 |
General Awareness |
25 |
50 |
Total |
100 |
200 |
SSC CHSL Maths Important Topics
The SSC CHSL Maths section has a total of 12 topics that are commonly asked. The total number of questions asked from the Quantitative section is 25. To score the best, one must not just focus on the important topics but should also, solve questions based on most of the topics.
Let us have a look at the table below to know the SSC CHSL Quant Important Topics as exam point of view.
Percentage |
Profit, Loss, and Discount |
Data Interpretation |
Mensuration |
Algebra |
Trigonometry |
Geometry |
Number System |
SSC CHSL Maths Preparation (Topic-wise)
Here are the topic wise preparation tips for the QA section in the SSC CHSL Tier 1 Exam:
- Time, Work & Wages: This topic has basic level questions whereas the type of questions or their level might vary in different shifts of the exam. It is advised to practice basic questions asked from this topic for SSC CHSL Maths Preparation.
- Percentages: This topic has both an easy and difficult level of questions. In-depth knowledge of this topic will help one score better in SSC CHSL Tier 1 Exam.
- Profit, Loss & Discount: Direct formulae based questions are asked from this topic in the exam. All candidates preparing for the QA section must memorize all the formulae and shortcuts to solve questions based on Profit and Loss quickly.
- Simple Interest/Compound Interest: This topic has calculative questions which aren’t difficult. Accuracy is the key during SSC CHSL Maths Preparation for this topic.
- Geometry: The most asked topic from Geometry is triangles and circles. Do cover all the other topics as well.
- Time, Speed & Distance: The level of questions is average. Keeping concepts clear for this topic is very important. Avoid calculation mistakes.
- Ratio & Proportion: Basic concepts must be revised as a part of SSC CHSL QA Preparation. Proper revision of methods used in the calculation of Ratios and Proportions will help you solve the questions with the least mistakes.
- Algebra: It has questions on Algebraic Identities, Factorization & Simplification of Polynomials and Simplification of Fractions.
- Simplification: Questions are based on inequality. Regular practice is required to get hands-on on this topic.
- Coordinate Geometry: Questions are based on basic concepts like reflection point, mirror image, equation of the line, area between given lines, slope, shortest distance, collinear, etc. It is the easiest topic of all if concepts are clear.
- Average: Questions based on run and wickets come mostly from this topic in the exam.
SSC CHSL Maths Questions Asked 2020
As per the experts, solving the SSC CHSL Memory Based Paper will help candidates increase their efficiency and speed on the day of the exam. All candidates before solving the SSC CHSL Important Maths Questions must learn the following:
- Formulae of cubes, squares, square root and cube root
- Tables up to 40 must be memorized
- Short tricks for the same question or repetitive questions
- Solve questions based on strong areas
- Keep a place to do rough calculations in the exam
Here are the questions asked in the Quant section of the SSC CHSL Tier 1 Exam conducted on March 17, 2020:
Ques 1. Cosec@= 24/25, Tan@=?
Ques 2. DI was based on Bar Graph
Ques 3. If 1 Kg apple costs Rs. and 1 Kg Kiwi Costs Rs. Find the total cost of Apple and Kiwi
Ques 4. 25CP = 35SP Profit or loss %?
Ques 5. Find the area of triangle three sides given
Ques 6. Find the area of equilateral triangle height given
Ques 7. L: B given perimeter given find area
Ques 8. Two no. Sum and product have given find sum of squares of no.
Ques 9. X=1+√2 find √x+1/√x
Ques 10. X+y and x^2+y^2 find x^3+y^
Given below are the questions from the previous year papers of SSC CHSL Exam:
Ques 1. With reference to a number greater than one, the difference between itself and its reciprocal is 25% of the sum of itself and its reciprocal. By how much percentage (correct one decimal place) is the fourth power of the number greater than its square?
1. 62.5
2. 66.7
3. 64.5
4. 57.8
Correct answer: 66.7
Ques 2. AB and CD are two chords of a circle which intersects at a point O inside the circle. It is given that, AB = 10 cm, CO= 1.5 cm and DO = 12.5 cm. What is the ratio between the larger and smaller among AO and BO?
1. 3: 2
2. 4: 1
3. 7: 3
4. 3: 1
Correct answer: 3:1
Ques 3. During a practice session in a stadium, an athlete runs along a circular track and her performance is observed by her coach standing at a point on the circle and also by her physiotherapist standing at the center of the circle. The coach finds that she covers an angle of 72° in 1 min. What will be the angle covered by her in 1 second according to the measurement made by her physiotherapist?
1. 2.4
2. 1.2
3. 4.8
4. It depends on the position of the coach on the circular track
Correct answer: 2.4
Ques 4. The value of
18.43 x 18.43 - 6.57 x 6.57 / 11.86 is:
1. 23.62
2. 26
3. 24.12
4. 25
Correct answer: 25
Ques 5. A purchased two articles for Rs.200 and Rs.300 respectively and sold at gains of 5% and 10% respectively. What was his overall gain percentage?
1. 8
2. 5
3. 9
4. 6
Correct answer: 8
Ques 6. A can complete a piece of work in 20 days and B can complete 20% of the work in 6 days. If they work together in how many days can they finish 50% of the work, if they work together?
1. 6
2. 8
3. 9
4. 12
Correct answer: 6
Ques 7. The ten-digit number 2x600000y8 is exactly divisible by 24. If x ≠ 0 and y ≠ 0, then the least value of (x + y) is equal to:
1. 2
2. 5
3. 8
4. 9
Correct answer: 5
Ques 8. The average of 1088 real numbers is zero. At most how many of them can be negative?
1. 88
2. 100
3. 1087
4. 544
Correct answer: 1087
Ques 9. The two diagonals of a rhombus are respectively, 14 cm and 48 cm. The perimeter of the rhombus is equal to:
1. 100 cm
2. 160 cm
3. 80 cm
4. 120 cm
Correct answer: 100 cm
Ques 10. A certain sum was invested in simple interest. The amount to which it had grown in five years was 5/4 times the amount to which it had grown in three years. The percentage rate of interest was:
1. 15%
2. 25%
3. 20%
4. 10%
Correct answer: 20%
Ques 11. The ration of the square of a number to the reciprocal of its cube is 243/16807
What is the number?
1. 2/7
2. 3/7
3. 5/7
4. 7/3
Correct Answer: 3/7
Ques 12. O, G, I and H are respectively the circumcentre, centroid, incentre and orthocentre of an equilateral triangle. Which of these points are identical?
1. O and I only
2. O, G, I and H
3. O and G only
4. O, G and H only
Correct answer: O, G, I and H
Ques 13. What is the value of cosec² 30° + sin² 45° + sec² 60° +tan² 30°?
1. 8
2. 53/6
3. 9
4. 25/3
Correct answer: 53/6
Ques 14. For 0° ≤ θ ≤ 90°, what is θ, when
√3cosec θ + sin θ = 1?
1. 0°
2. 30°
3. 45°
4. 90°
Correct answer: 90°
Ques 15. An article having marked price, Rs.900, was sold for Rs.648 after two successive discounts. The first discount was 20%. What was the percentage rate of the second discount?
1. 5
2. 15
3. 10
4. 12.5
Correct answer: 10
Ques 16. If 10/7 (1 - 2.43 X 10¯3) = 1.417 + x, then x is equal to:
1. 0.417
2. 0.81
3. 0.0081
4. 0.417
Correct answer: 0.0081
Ques 17. The simplified value of {5/4 of (7/3 ÷ 7/5) - 17/12} + 1/9 ÷ 7/3 + 2/7 + 1/6 is:
1. 1
2. 3/2
3. 7/3
4. 7/6
Correct Answer: 7/6
Ques 18. The difference between the compound interest and the simple interest on a sum at 10% p.a. for three years is Rs. 155. The sum (in Rs) is:
1. 6,000
2. 6,600
3. 5,000
4. 5,500
Correct answer: 5,000
Ques 19. A shopkeeper decides to raise the marked price of an article by 10%. How much discount should he allow so as to be able to sell the article at the original marked price?
1. 100/11%
2. 72/9%
3. 19/2%
4. 10%
Correct answer: 100/11%
Ques 20. Given, a + 1/a = 2, what is the value of (a118 + 1/ a117)?
1. 118
2. 2
3. 1
4. 117
Correct answer: 2
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SSC CHSL Topic-wise Sample Questions
Here, we have provided topic-wise SSC CHSL Maths Questions and Answers PDF. Candidates can view or download the SSC CHSL Maths Questions PDF and start their preparation accordingly.
Compound Interest
Q) The compound interest on a sum of Rs. 5000/- at 8% per annum for 9 months when interest is compound quarterly is?
a) Rs. 300 b) Rs. 300.12 c) Rs. 306.04 d) Rs. 308
Ans: c
Q) What is the compound interest (in Rs) on a principal sum of Rs. 2800 for 2 years at a rate of 12% per annum?
a) 687.18 b) 634.46 c) 712.32 d) 568.68
Ans: c
Mensuration
Q) The edge of an ice cube is 14cm. The volume of the largest cylindrical ice cube that can be formed out of it is?
a) 2200 cu.cm b) 2000 cu.cm c) 2156 cu.cm d) 2400 cu.cm e) None of the above
Ans: c
Q) A rope makes 125 rounds of a cylinder with base radius 15cm. How many times can it go-round with base radius 25cm?
a) 100 b) 75 c) 80 d) 65 e) None of the above
Ans: b
Number System
Q) The number 323 has
a) three prime factors b) five prime factors c) two prime factors d) no prime factor
Ans: c
Q) The least number that should be added to 2055 so that the sum is exactly divisible by 27 is
a) 28 b) 24 c) 27 d) 31
Ans: b
Mixtures & Allegations
Q) The cost of three different varieties of rice A, B, and C is Rs. 20/kg, Rs. 25/kg and Rs. 30/kg respectively. If A, B, C are mixed together in the ratio of 2: 1: 2, what will be the cost of mixture per kg?
a) Rs. 75 b) Rs. 25 c) Rs. 30 d) Rs. 125 e) Rs. 100
Ans: b
Q) A mixture contains water and milk in the ratio of 3: 5. If 4 litres of water and 5 litres of milk are added to the mixture, the ratio of water and milk becomes 2 : 3. What is the quantity of water in the final mixture?
a) 11 litres b) 12 litres c) 8 litres d) 10 litres e) 9 litres
Ans: d
Trigonometry
Q) If x is an acute angle such that Tan (4x – 50°) = Cot ( 50° – x), then the value of x would be?
a) 60 b) 45 c) 50 d) 30
Ans: d
Q) If cosec 9x= sec 9x (0<x<10), what is the value of x?
a) 9° b) 3° c) 5°d) 6°
Ans: c
Algebra
Q) If 3.352 – (9.759 – x ) – 19.64 = 7.052, then what is the value of x?
a) -6.181 b) 13.581 c) 33.099 d) 39.803
Ans: c
Q) If 2x – 2(4 – x) < 2x – 3 < 3x + 3; then x can take which of the following values?
a) 2 b) 3 c) 4 d) 5
Ans: a
Average
Q) The average revenues of 9 consecutive years of a company is Rs 68 lakhs. If the average of the first 5 years is Rs 63 lakhs and that of the last 5 years is Rs 75 lakhs, find the revenue for the 5th year?
a) Rs 80 lakhs b) Rs 76 lakhs c) Rs 78 lakhs d) Rs 74 lakhs
Ans: c
Q)The average revenues of 7 consecutive years of a company is Rs 71 lakhs. If the average of the first 4 years is Rs 66 lakhs and that of the last 4 years is Rs 78 lakhs. What is the revenue for the fourth year?
a) Rs 81 lakhs b) Rs 77 lakhs c) Rs 79 lakhs d) Rs 75 lakhs
Ans: c
SSC CHSL Maths Preparation: Best Books
Candidates are advised to practice through SSC CHSL Online coaching to have a grip on their weak areas. However, one must also learn from SSC CHSL Preparation Books. Candidates can also go through SSC CHSL Maths Preparation in Hindi. Do not buy all the books. It is advised to practice from one book a thousand times rather than practising a thousand books one time.
Check the table below to know some popular books to practice for SSC CHSL Maths Exam:
Name of the Book |
Author |
Play with Advanced Maths |
Abhinay Sharma |
Kiran Publication 7300+ |
Kiran Publications |
Advance Maths |
Rakesh Yadav |
Quantitative Aptitude |
R.S. Aggarwal |
Quicker Mathematics |
M. Tyra |
Quantum Cat |
Sarvesh Verma |