Ncert Solutions Class 10th History Mat,Diy Canoe Outrigger 2020,Inboard Gasoline Boats Built After July Pdf - Plans On 2021

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NCERT Solutions for class 10 social Science | Ntseguru

The study material contains an exhaustive explanation to all the questions. Solutiins answers are written clearly and step by step to maximise retention. While going through these solutions, students will find themselves understanding the concept better. Practising regularly is a prerequisite if students want to score well in mathematics.

You can consult the guide to brush up your memory or help you if you get stuck. There are 4 Exercises present in this chapter. Students historj learn about real numbers and irrational numbers in the 1st solugions of Class 10 Maths. Exercise 1. There are a total of 4 Exercises including an optional Exercise in the 2nd chapter of ncert solutions class 10th history mat 10 Maths. The first Exercise is about to find zeros of polynomials p x.

In the second Exercise, the students need ncert solutions class 10th history mat find a quadratic polynomial. The third Exercise has questions on division of polynomials.

The last Exercise cllass questions from all the concepts of Class 10 Maths Chapter 2. Exercise 2. The third chapter of class 10 maths is about the linear equations in two variables. It describes what a linear equation in two variables is and how to solve the problems on linear equations in two variables.

In the first Exercise Ex 3. The second Exercise, i. The next four Exercises, Ex 3. The methods explained here are algebraic method, cross-multiplication method, elimination method and substitution method. Exercise 3. It contains questions from all the Exercises. This chapter explains what a quadratic equation is ncert solutions class 10th history mat the methods of solving quadratic equations.

It ncert solutions class 10th history mat explains the factorization method of solving quadratic equations and the square method. The chapter gives the details of relationships between discriminant and nature of roots. Also, the problems of real life have been solved as examples in this chapter. Exercise 4. Solutkons chapter introduces a new topic to the students - Arithmetic Progression, commonly called as AP.

Students will mqt what is AP, derivation of nth hitsory, finding the sum of first n terms of the AP and solving the real life problems using AP in this chapter. The first Exercise of the chapter teaches how to represent a problem or situation in the form of AP, how to find the first term and difference of the AP, and to find whether the given series is Ap or not. The next Exercise, Ex solurions. The third Exercise hisory how solutioons find the 1t0h of first n terms of AP and contains questions related to the topic.

The last and fourth Exercise have questions related to the topics taught in the chapter. Exercise 5. The chapter 6 of class 10 gives details about the triangles.

The chapter gives details about the figures with the same shape but different sizes. It explains the similarity of the triangles, theorems associated with the similarity of triangles and the concept of congruent triangles. Further, theorems related to areas of triangles, the Pythagoras theorem and the converse of pythagoras theorem is explained.

Exercise 6. Class 10 Maths Chapter 7 explains coordinate geometry, the maths of locating a given point with the help of an ordered pair of numbers. The ncert solutions class 10th history Ncert Solutions Of Class 10th Math Review mat or cartesian geometry helps to find the distance between two points whose coordinates are given. The concept of finding the area of a triangle formed by three given points. Also, the ways of finding the coordinates of the point which divides a line segment joining two given points in a given ratio is explained in the chapter.

Exercise 7. Trigonometry is the study of the ratio of right triangles with respect to the acute angles, ncert solutions class 10th history mat are known as trigonometric ratios of the angles. Students will also learn to calculate trigonometric ratios for the given angles and also a few trigonometric identities. Exercise 8. Chapter 9 is the continuation of chapter 8 where the students will learn about the application of trigonometry which they learnt in aolutions previous chapter.

This chapter helps to understand how trigonometry is applied to our everyday life to find out the height and distance of various objects. They will also learn how trigonometry is applied and used in navigation, construction and determining the position of any piece of land based on their latitude and longitudes.

Exercise 9. In this chapter, students will be introduced to the concept solutons tangents and number of tangents from a point on a circle. Exercise Chapter 11 is one of the interesting historyy. This chapter is all about constructing various geometric figures. The students will learn to divide a line segment, and how to draw tangents to a circle.

The methods of construction are well explained in the chapter to clear the concepts. As the name suggests, the chapter is about the perimeter and area of a circle. The concepts of finding the area of a sector and segment of a circle is clarified. This chapter further explains how to find the area of the figures that contains a circle or part of a circle.

In the five Exercises of this chapter, finding the surface area of any object which is made up of two or ncert solutions class 10th history mat different solid shapes. The solid shapes include cuboid, cone, sphere, hemisphere and cylinder.

Then, there are questions on finding the volume of the objects that are again made up of clwss different solid shapes. Also, there are questions which ask about the conversion from one shape to. This chapter further explains how to find the volume, curved surface area and total surface area of a frustum ncert solutions class 10th history mat a cone.

This is another interesting chapter where the students learn about the numerical representation of data, grouped or ungrouped. They further learn about finding the mean, ncert solutions class 10th history mat and mode of the given data. In the next Exercise, they will learn about the cumulative frequency distribution and drawing cumulative frequency curves. It elaborates and explains the difference between experimental probability and theoretical probability.

The chapter is full of examples to clear the concept of probability to the learners. Nfert can historyy the PDF easily and start going through the chapters. You histoey find clear categorisation and step by step solutions of all the questions with a clear conclusion. This will bistory you to understand how you can write answers in your exams to help you score.

The exam is of marks where 80 marks is for theory whereas 20 marks is given for internal assessment. To understand the marking scheme in a better way, you ncrrt understand the exam pattern clearly. Mmat score good in the exam, you should know how much mark is awarded for each question and each step of the question.

Every year, just before the board exams, the board releases sample papers and marking schemes so that all the doubts of the students are cleared. The number of questions are increased and the marks per question are reduced. This marking scheme will be helpful to the students as the maximum number of questions will become objective or solutiins short answer type as the marks per question has reduced.

CBSE focuses on all-round development of Class 10 students to prepare them for their further education. To perform bistory in Class 10 then becomes fairly important. CBSE marking scheme is histor so ncert solutions class 10th history mat have scored accordingly. Therefore students should write each step clearly and give a proper conclusion at the end of the answer.

The unit wise marks weightage of the mathematics paper is as follows:. The hisstory has four sections. There are a total of 30 questions for 80 marks. Number System. Coordinate geometry. Statistics and probability. The question paper design will be:. Sl No. Type hkstory Questions. Total Marks. Memory: Terms, answers, basic concepts and recalling of facts.

Understanding: Compare, organize, interpret, translate, describe and stating main ideas. Apply: Solving problems by applying the knowledge, facts, theorems and rules in different ways. Analyse: Ncegt the information provided and making inferences. Evaluate: Opine about the validity of quality of work and validity of ideas.

Create: Creating alternative solutions of the given problem and grouping the elements.

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Answer the following : a Is zero a fraction? Study complete worksheet and Download Click below Class 3 Maths Worksheet � Fractions Smart classes, activity games, and worksheets for Class 3 for all subjects are available. Share and Enjoy! February 18, No comments, be the first one to comment! Leave a Reply Cancel reply Your email address will not be published. Blog Search Search for:.

Recent Posts What are the Motions of the Earth? All Rights Reserved. Terms and Conditions We are Hiring! Hence the ratio of to :. Question: 8 a In a year, Seema earns and saves. Find the ratio of Money that Seema earns to the money she saves.

So, The ratio of Money that Seema earns to the money she saves:. Hence the required ratio is Question: 8 b In a year, Seema earns and saves. Find the ratio of Money that she saves to the money she spends. So, The ratio of Money that she saves to the money she spends. Question: 9 There are teachers in a school of students. Find the ratio of the number of teachers to the number of students.

Answer: Given. So, the ratio of the number of teachers to the number of students:. Hence the required ratio is 17 : Question: 10 In a college, out of students, are girls. Find the ratio of. Question: 11 Out of students in a school, opted basketball, opted cricket and remaining opted table tennis.

If a student can opt only one game, find the ratio of. The ratio of. Question: 12 Cost of a dozen pens is and cost of ball pens is. Find the ratio of the cost of a pen to the cost of a ball pen. Question: 13 Consider the statement: Ratio of breadth and length of a hall is Complete the following table that shows some possible breadths and lengths of the hall.

Answer: Given Breadth and Length is in proportion. Maintaining that proportion, we get. Question: 14 Divide pens between Sheela and Sangeeta in the ratio of. Hence Sheela will get 12 pens and Sangeeta will get 8 pens. Question: 15 Mother wants to divide between her daughters Shreya and Bhoomika in the ratio of their ages.

If age of Shreya is years and age of Bhoomika is years, find how much Shreya and Bhoomika will get. Now According to the question,. Amount of money Sangeeta gets :.

Hence Shreya and Sangeeta get 20 Rs and 16 Rs respectively. Question:1 6 Present age of father is years and that of his son is years. Question: Check whether the given ratios are equal, i. If yes, then write them in the proper form. Answer: 1. So the ratios are in proportion 2. So So the ratios are in proportion 3. The given ratios are not equal, so they are not in proportion 4. The given ratios are equal, so they are in proportion 5.

The given ratios are equal, so they are in proportion. Question: 1 Determine if the following are in proportion. Answer: a. Since 1 and 2 are equal, Yes they are in proportion.

Since 1 and 2 are not equal, No they are not in proportion. As we can see 1 and 2 are equal So, They are in proportion. Hence the statement is True. As we can see 1 and 2 are not equal So, They are not in proportion.

Hence the statement is False. Question: 3 Are the following statements true? As we can see 1 is equal to 2 , They are in proportion. Hence The statement is True.

As we can see 1 is not equal to 2 , They are not in proportion. Question: 4 Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.

As we can see 1 and 2 are equal, they are in proportion. Middle Terms: 1 m and Rs Extreme Terms: 25 cm and Rs Middle Terms: 65 litres and 6 bottles. Extreme Terms: 39 litres and 10 bottles. As we can see 1 and 2 are not equal, they are not in proportion. Middle Terms: 2. Extreme Terms mL and Rs Question:2 Read the table and fill in the boxes.

Distance travelled in 1 hour will be half of the distance travelled in 2 hours. Distance travelled in 4 hours will be double of the distance travelled in 2 hours. Question: 1 If the cost of of cloth is find the cost of of cloth. Cost of 1 m cloth :. Cost of 5 m cloth :. Hence the cost of 5 m cloth is Rs Question: 2 Ekta earns in days.

How much will she earn in days? Amount of money earned in 10 days:. Amount of money earned in 1 day :. Amount of Money earned in 30 days :. Hence Ekta will earn Rs in 30 days. Question: 3 If it has rained in the last days, how many cm of rain will fall in one full week?

Assume that the rain continues to fall at the same rate. The measure of rain in 3 days :. The measure of rain in 1 day :. And Hence,. The measure of rain in 7 days :.

Therefore, mm rain will fall in a week. Question: 4 a Cost of 5 kg of wheat is. What will be the cost of of wheat? The cost of 5 kg of wheat:. The cost of 1 kg of wheat :.

The cost of 8 kg of wheat :. Therefore, the cost of 8 kg of wheat is Rs Question: 4 b Cost of of wheat is. What quantity of wheat can be purchased in. So, The amount of wheat which can be bought in Rs Hence 10 kg of wheat can be bought in Rs Question: 5 The temperature dropped degree celsius in the last days. If the rate of temperature drop remains the same, how many degrees will the temperature drop in the next ten days?

Answer: Temperature drop in 30 days :. So, Temperature drop in 1 day :. And Hence, The Temperature drop in 10 days :. Hence if the temperature rate remains the same, there will be a drop of 5 degrees in the next 10 days. Question: 6 Shaina pays as rent for 3 months.

How much does she has to pay for a whole year, if the rent per month remains same? It was in the range 0. Q6 Three coins were tossed times simultaneously.

Each time the number of heads occurring was noted down as follows:. Prepare a frequency distribution table for the data given above. A frequency distribution table for the data given above is as follows.

Q7 i The value of upto decimal places is given below:. Make a frequency distribution of the digits from 0 to 9 after the decimal point. Q7 ii The value of up to decimal places is given below:. What are the most and the least frequently occurring digits? The most frequently occurring digits are 3 and 9 with a frequency of 8.

Q8 i Thirty children were asked about the number of hours they watched TV programmes in the previous week. The results were found as follows:. Make a grouped frequency distribution table for this data, taking class width 5 and one of the class intervals as 5 - The class intervals with class width 5 would, therefore, be 1 - 5, 5 - 10, 10 - 15, 15 - Q8 ii Thirty children were asked about the number of hours they watched TV programmes in the previous week.

How many children watched television for 15 or more hours a week? Frequency of the class interval 15 - 20 is 2. Q9 A company manufactures car batteries of a particular type. The lives in years of 40 such batteries were recorded as follows:.

Construct a grouped frequency distribution table for this data, using class intervals of size 0. The class intervals with interval size 0. Q1 i A survey conducted by an organisation for the cause of illness and death among the women between the ages 15 - 44 in years worldwide, found the following figures in :.

Represent the information given above graphically. The graphical representation of the given data is as follows. Q1 ii A survey conducted by an organisation for the cause of illness and death among the women between the ages 15 - 44 in years worldwide, found the following figures in :. The female fatality rate is Q1 iii A survey conducted by an organisation for the cause of illness and death among the women between the ages 15 - 44 in years worldwide, found the following figures in :.

Try to find out, with the help of your teacher, any two factors which play a major role in the cause in ii above being the major cause. Due to poor financial conditions and failure of the government to provide necessary healthcare condition to women, reproductive health conditions is the major cause of ill health and death of women worldwide. Q2 i The following data on the number of girls to the nearest ten per thousand boys in different sections of Indian society is given below.

Represent the information above by a bar graph. The graphical representation of the given information is as follows. Q2 ii The following data on the number of girls to the nearest ten per thousand boys in different sections of Indian society is given below. In the classroom discuss what conclusions can be arrived at from the graph. From the graph, we can see that the number of girls per thousand boys is the least in urban society and the highest in the Scheduled Tribes.

Q3 i Given below are the seats won by different political parties in the polling outcome of a state assembly elections:. Draw a bar graph to represent the polling results.

The representation of the given data in the form of a bar graph is as follows. Q3 ii Given below are the seats won by different political parties in the polling outcome of state assembly elections:.

Which political party won the maximum number of seats? Party A has won the maximum number of seats. Party A has won 75 seats. Q4 i The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:. Draw a histogram to represent the given data. The representation of the above data through a histogram is as follows. Q4 ii The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:.

Is there any other suitable graphical representation for the same data? A frequency polygon could be another suitable graphical representation for the same data. Q4 iii The length of 40 leaves of a plant are measured correct to one millimetre, and the obtained data is represented in the following table:.

Is it correct to conclude that the maximum number of leaves are mm long? No it is certainly not correct to conclude that the maximum number of leaves are mm long because the given data does not tell us about the exact length of the leaves. It only tells us about the range in which their lengths lie. We can only conclude that the maximum number of leaves 12 have their lengths in the region - Q5 i The following table gives the life times of neon lamps:.

Represent the given information with the help of a histogram. The representation of the given information in the form of a histogram is as follows. Q5 ii The following table gives the life times of neon lamps:. How many lamps have a life time of more than hours? Q6 The following table gives the distribution of students of two sections according to the marks obtained by them:. Represent the marks of the students of both the sections on the same graph by two frequency polygons.

From the two polygons compare the performance of the two sections. To make the frequency polygon we first modify the table as follows. To make the frequency polygon we mark the marks on the x-axis and the number of students on the y-axis. The representation of the given information in the form of frequency polygon is as follows. From the frequency polygon we can see that the performance of section A is better. Q7 The runs scored by two teams A and B on the first 60 balls in a cricket match are given below:.

Represent the data of both the teams on the same graph by frequency polygons. The given data is not continous we therefore modify the limits of the class intervals as well to make the class intervals continous.

To make the frequency polygon we mark the number of balls on the x-axis and the runs scored on the y-axis. Q8 A random survey of the number of children of various age groups playing in a park was found as follows:.

Draw a histogram to represent the data above. Since the class sizes vary to make the histogram we have to calculate the weighted frequency for each rectangle as per its width. The modified table showing the weighted frequency as per the size of the class intervals is as follows. The histogram representing the information given in the above table is as follows.

Q9 i surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows:.

Q9 ii surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows:. Write the class interval in which the maximum number of surnames lie. The class interval in which the maximum number of surnames lie is 6 - 8.

The weighted frequency of this class interval taking 2 as the minimum class size is Q1 The following number of goals were scored by a team in a series of 10 matches:. Find the mean, median and mode of these scores. To find the median we have to arrange the given data in ascending order as follows:.

In the given data 3 occurs the maximum number of times 4. Q2 In a mathematics test given to 15 students, the following marks out of are recorded:. Find the mean, median and mode of this data. In the given data 52 occurs the maximum number of times. Q3 The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x.

Q4 Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, In the given data 14 is occuring the maximum number of times 4. Q5 Find the mean salary of 60 workers of a factory from the following table:.

The mean salary of the workers working in the factory is Rs Q6 i Give one example of a situation in which the mean is an appropriate measure of central tendency.

The mean is an appropriate measure of central tendency in case the observations are close to each other. An example of such a case is height of the students in a class.

Q6 ii Give one example of a situation in which the mean is not an appropriate measure of central tendency but the median is an appropriate measure of central tendency. The mean is not an appropriate measure of central tendency in case the observations are not close to each other.

An example of such a case is prices of the toys in a toy shop. Keep working hard and happy learning! Answer: Mean, median, mode, variance, standard deviation are the important topics of this chapter. Also, these solutions are provided in a very detailed manner which will give them conceptual clarity.

Answer: CBSE class 9 maths is not tough at all.





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