NCERT Solutions for Class 10 Maths Chapter 8 Introduction to Trigonometry

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Clearly, the centres of these circles lie on the perpendicular bisector of the common chord. Number of Plants 0-2 2-4 4-6 6-8 8-10 10-12 12-14 Number of Houses 1 2 1 5 6 2 3 Which method did you use for finding the mean, and why? With the hope that this book will be of great help to the students, we wish great success to our readers.

We will also learn how we can get the sequence with the help of algebra. Convert the statements given by the students into linear equation of two variables. Now the last chapter solution from class 10 maths ncert solutions is probability. Follow us on Social Media like Twitter, , Facebook, Google plus to know the latest updates.

NCERT Solutions for Class 10th: Ch 14 Statistics Maths « Study Rankers

A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the following data regarding the number of plants in 20 houses in a locality. Find the mean number of plants per house. Number of Plants 0-2 2-4 4-6 6-8 8-10 10-12 12-14 Number of Houses 1 2 1 5 6 2 3 Which method did you use for finding the mean, and why. Consider the following distribution of daily wages of 50 workers of a factory. The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs 18. Find the missing frequency f. Thirty women were examined in a hospital by a doctor and the number of heart beats per minute were recorded and summarised as follows. Find the mean heart beats per minute for these women, choosing a suitable method. In a retail market, fruit vendors ncert solution of class 10th math selling mangoes kept in packing boxes. These boxes contained varying number of mangoes. The following was the distribution of mangoes according to the number of boxes. Find the mean number of mangoes kept in a packing box. Which method of finding the mean did you choose. Answer Since, the given data is not continuous so we add 0. The table below shows the daily expenditure on food of 25 households in a locality. A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent. The following table gives the literacy rate in percentage of 35 cities. Find the mean literacy rate. The following table shows the ages of the patients admitted in a hospital during a year: Age in years 5-15 15-25 25-35 35-45 45-55 55-65 Number of ncert solution of class 10th math 6 11 21 23 14 5 Find the mode and the mean of the data given above. Compare and interpret the two measures of central tendency. The following data gives the information on the observed lifetimes in hours of 225 electrical components : Lifetime in hours 0-20 20-40 40-60 60-80 80-100 100-120 Frequency 10 35 52 61 38 29 Determine the modal lifetimes of the components. Answer Modal class of the given data is 60—80. The following data gives the distribution of total monthly household expenditure of 200 families of a village. Find the modal monthly expenditure of the families.

At last, we will see the areas of combination of plain fingers which can be triangles quadrilaterals and circles. To solve two simultaneous equations in two variables, we draw their graphs on the same graph paper. Perimeter of a closed figure can be find by adding the length of all its sides. We will find the solution of linear regression into variables and we will explore about the general form of linear equations into a variables. And thus, the shape of a circle depends on its radius. Click on any chapter below to find solutions to all questions. There are infinite points on a circle. Find the speed of rowing in still water and the speed of the current.