CISF Head Constable Recruitment Examination

Quantitative Aptitude, Reasoning, English, General Knowledge/General Awareness

Trigonometry

This chapter discusses in detail the concept of trigonometry. It covers six trigonometric ratios, important formulae, standard angles, etc. Multiple choice questions with answers are provided here.

This Chapter from CISF Head Constable Recruitment Examination has 2 topics to practice on Trigonometry

Trigonometric Ratios of Angles

Height and Distance

This chapter contains miscellaneous questions related to various topics discussed earlier. The answers to these questions are also provided here.

Miscellaneous Questions

This chapter explains the uses of pie charts. They are used to show the share of various sectors in total. They usually show the percentage share of each sector in the whole. The concept is explained with diagrams.

Pie Charts

This chapter deals with frequency polygon. It is used to show how a quantity changes continuously. Multiple choice questions with answers are provided here which help students master the concept.

Frequency Polygon

This chapter discusses in detail about bar graphs. A bar graph can have either vertical or horizontal bars. Different quantities or the same quantity at the different times can be compared with the help of bar graphs.

Bar Graphs

Tables are often used in reports, magazines, and newspapers to present a set of numerical data. This chapter discusses in detail the data tables. Multiple choice questions with answers are also provided here.

Data Tables

This chapter gives clear explanation on circle and tangent. Exercises with answers are provided here for students to practice.

Circle and Tangents

This chapter explains the conditions required for two triangles to be similar. Multiple choice questions with answers are provided here which will help students in preparing for their exams.

Similarity of Triangles

This chapter discusses in detail the triangles and its various kinds. Multiple choice questions with answers are provided here for better understanding of the concept.

Triangle and its Various Kinds

Explanation of surds and important formulas are given in this chapter. Multiple choice questions with explanatory answers are provided here to understand the concept.

Surds

Algebra uses letters and symbols to represent variable quantities and numbers and to express generalizations about them. Important formulas are given here which will help in solving the questions. Exercises with answers are also provided here.

Algebraic Identities

This chapter contains questions on mensuration. The answers to these questions are also given which are discussed in detail.

Mensuration

This chapter discusses the rules of alligation. Multiple choice questions with answers are provided here for better understanding of the concept.

Mixture and Alligation

This chapter contains multiple choice questions with answers. The concept of partnership in businesses is explained here with the help of solved questions.

Partnership

This chapter contains multiple choice questions with explanatory answers which will help students in preparing for their exams.

Average

In this chapter, important formulas for speed, time, and distance are given. It also contains multiple choice questions and explanatory answers which will help students in understanding the concept.

Speed, Time and Distance

In this chapter, how to solve questions on time, work, and wages are explained in detail. Exercises with answers are provided which help students in preparing for the examination.

Time, Work and Wages

This chapter explains the concept of discount. Discount is the reduction or an allowance made from the amount of a bill in lieu of its immediate cash payment. Multiple choice questions with answers are provided here.

Discount

Interest is the sum which is paid for the use of other’s money. This chapter discusses in detail simple interest and compound interest. Multiple choice questions with answers are provided here for better understanding.

Interest

The term profit and loss are largely used in business. This chapter explains the concept with examples. Exercises with explanatory answers are provided to clearly understand the concept.

Profit and Loss

This chapter discusses in detail ratio and proportion. It covers inverse ratio, compound ratio, proportion, etc. Exercises with explanatory answers are provided to master the concept.

Ratio and Proportion

This chapter explains the concept of percentage. It also contains exercise on percentage to practice, and answers are explained in detail for better understanding.

Percentage

This chapter discusses in detail power, exponents, and roots. It covers negative exponents, square roots, cube roots, etc. Exercises with answers are provided here.

Powers, Exponents and Roots

This chapter deals with fractions and decimals. It covers topics such as addition, subtraction, and division of fractions and decimals, relation between decimal fraction and normal fraction, etc. Exercises with explanatory answers are provided here.

Fractions and Decimals

This chapter discusses in detail about numbers. The various types of numbers, properties of numbers, and how to write a number as a product of prime numbers, etc., are discussed here. This chapter also contains exercise related to number.

Numbers

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Trigonometry

R. Gupta Quantitative Aptitude, Reasoning, English, General Knowledge/General Awareness Solutions from Chapter 52 - Trigonometry

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