Numerical Ability

In this chapter, we will know the meaning of per cent. It explains how to solve numerical problems related to percentage through some objective questions. It will help us to enhance our analytical skills.

This chapter deals with the concept of profit and loss. Here, we will learn how to calculate the profit, loss, selling price and cost price of various articles through examples. It also gives an equation of the percentage of profit.

This chapter deals with the concept of ratio and proportion. It explains the relation between ratio and proportion. Here, we will learn about proportional division and compound proportion through examples and practice exercises.

The chapter defines partnership as a method by which two or more persons put their money together to start a business and divide the profit and loss according to their capital and time. We will also learn how to solve numerical problems on it.

This chapter describes average and gives an equation for average. We will learn how to calculate the average of any number of quantities of the same kind through examples and various practice questions.

This chapter discusses simple interest by describing interest as the money paid for the use of money borrowed. With the aid of objective-type questions and examples, this chapter explains how to calculate simple interest.

In this chapter, we will solve problems related to compound interest. It explains compound interest and gives an expression for compound interest. With the aid of objective-type questions and examples, it explains how to calculate compound interest.

This chapter defines discount, shares, and stocks and explains how to solve numerical problems through objective-type questions and examples. We will also learn how to calculate the true discount and present worth of the given article.

This chapter explains the concept of work and time. It gives different formulas on work done. Through objective-type questions and examples, it explains how to solve numerical problems related to the concept of work and time.

This chapter deals with the concept of speed, time and distance. It describes the relative speed and average speed with formulas. We will study some instructions in concern with the train and formulas on boats and stream.

In this chapter, we will learn how to solve various mathematical problems using the unitary method, which is a method by which the value of a unit is first found. It also lists important points to be kept in mind while solving problems based on it.

This chapter explains how to solve problems based on age. It emphasises the need for the knowledge of equations for solving these kinds of problems. It also contains some essential points to be kept in mind while solving these types of questions.

This chapter explains fraction as a relation to represent some part of the body to the whole body. We will learn how to solve problems based on fractions through objective questions and some examples.

This chapter explains how to solve numbers with the help of objective questions and main formulae. We will learn how to write the numbers in algebraic form, and first three consecutive odd numbers and even numbers through example problems.

This chapter explains how to solve numerical problems based on alligation through objective questions and some examples. It illustrates through a picture the rule of Alligation.

In this chapter, we will learn how to calculate the area of various plane and solid figures through objective questions and some examples. It also discusses the units for measuring length and area.

The chapter deals with the concept of data interpretation. Here, we will learn how to draw and read tables and graphs through examples and practice exercises. It requires a thorough study of the graphs or tables to answer questions on these concepts.