Q:
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. Also, find the mean monthly expenditure.
| Expenditure (in ₹) | Number of families |
|
1000 – 1500 1500– 2000 2000– 2500 2500–3000 3000–3500 3500–4000 4000–4500 4500–5000 |
24 40 33 28 30 22 16 7 |
A:
Q:
The following table gives production yield per hectare of wheat of 100 farms of a village.
| Production yield (in kg/ha) | 50-55 | 55-60 | 60-65 | 65-70 | 70-75 | 75-80 |
| Number of farms | 2 | 8 | 12 | 24 | 38 | 16 |
Change the distribution to a more than type distribution, and draw its ogive.
A:
Q:
The distribution below gives the weights of 30 students of a class. Find the median weight of the students.
| Weight (in kg) | 40-45 | 45-50 | 50-55 | 55-60 | 60-65 | 65-70 | 70-75 |
| Number of students | 2 | 3 | 8 | 6 | 6 | 3 | 2 |
A:
Q:
The following table gives the distribution of the life time of 400 neon lamps:
| Life time (in hours) | Number of lamps |
|
1500– 2000 2000– 2500 2500–3000 3000–3500 3500–4000 4000–4500 4500–5000 |
14 56 60 86 74 62 48 |
A:
Q:
A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data.
| Number of cars | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 | 70-80 |
| Frequency | 7 | 14 | 13 | 12 | 20 | 11 | 15 | 8 |
A:
Q:
The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches.
| Runs scored | Number of batsmen |
|
3000 – 4000 4000– 5000 5000– 6000 6000–7000 7000–8000 8000–9000 9000–10000 10000–11000 |
4 18 9 7 6 3 1 1 |
A:
Q:
The following data gives the information on the observed lifetimes (in hours) of 225 electrical components.
| Lifetimes (in hours) | 0-20 | 20-40 | 40-60 | 60-80 | 80-100 | 100-120 |
| Frequency | 10 | 35 | 52 | 61 | 38 | 29 |
A:
Q:
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 |
A:
Q:
During the medical check-up of 35 students of a class, their weights were recorded as follows:
| Weight (in kg) | Number of students |
|
Less than 38 Less than 40 Less than 42 Less than 44 Less than 46 Less than 48 Less than 50 Less than 52 |
0 3 5 9 14 28 32 35 |
A:
Q:
The following distribution gives the daily income of 50 workers of a factory.
| Daily income (in ₹) | 100-120 | 120-140 | 140-160 | 160-180 | 180-200 |
| Number of workers | 12 | 14 | 8 | 6 | 10 |
A:
Q:
The lengths of 40 leaves of a plant are measured correct to the nearest millimetre, and the data obtained is represented in the following table:
| Length (in mm) | Number of leaves |
|
118 – 126 127– 135 136– 144 145–153 154–162 163–171 172–180 |
3 5 9 12 5 4 2 |
A:
Q:
A life insurance agent found the following data for distribution of ages of 100 policy holders. Calculate the median age, if policies are given only to persons having age 18 years onwards but less than 60 year.
| Class interval | Frequency |
|
Below 20 Below 25 Below 30 Below 35 Below 40 Below 45 Below 50 Below 55 Below 60 |
2 6 24 45 78 89 92 98 100 |
A:
Q:
If the median of the distribution given below is 28.5, find the values of x and y.
| Class interval | Frequency |
|
0 – 10 10– 20 20– 30 30–40 40–50 50–60 |
5 x 20 15 y 5 |
| Total | 60 |
A:
Q:
The following distribution gives the state-wise teacher-student ratio in higher secondary schools of India. Find the mode and mean of this data. Interpret the two measures.
| Number of students per teacher | Number of states / U .T. |
|
15– 20 20– 25 25–30 30–35 35–40 40–45 45–50 50–55 |
3 8 9 10 3 0 0 2 |
A:
Q:
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 patients | 6 | 11 | 21 | 23 | 14 | 5 |
A:
Q:
The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.
| Literacy rate (in %) | 45-55 | 55-65 | 65-75 | 75-85 | 85-95 |
| Number of cities | 3 | 10 | 11 | 8 | 3 |
A:
Q:
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.
| Number of days | 0-6 | 6-10 | 10-14 | 14-20 | 20-28 | 28-38 | 38-40 |
| Number of students | 11 | 10 | 7 | 4 | 4 | 3 | 1 |
A:
Q:
To find out the concentration of SO2 in the air (in parts per million, i.e., ppm), the data was collected for 30 localities in a certain city and is presented below.
| Concentration of SO2 (in ppm) | Frequency |
|
0.00 – 0.04 0.04– 0.08 0.08 – 0.12 0.12–0.16 0.16–0.20 0.20–0.24 |
4 9 9 2 4 2 |
A:
Q:
The table below shows the daily expenditure on food of 25 households in a locality.
| Daily Expenditure (in ₹) | 100-150 | 150-200 | 200-250 | 250-300 | 300-350 |
| Number of households | 4 | 5 | 12 | 2 | 2 |
A:
Q:
In a retail market, fruit vendors were 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.
| Number of mangoes | 50-52 | 53-55 | 56-58 | 59-61 | 62-64 |
| Number of boxes | 15 | 110 | 135 | 115 | 25 |
A:
Q:
Thirty women were examined in a hospital by a doctor and the number of heartbeats per minute were recorded and summarised as follows. Find the mean heartbeats per minute for these women, choosing a suitable method.
| Number of heartbeats per minute | 65-68 | 68-71 | 71-74 | 74-77 | 77-80 | 80-83 | 83-86 |
| Number of women | 2 | 4 | 3 | 8 | 7 | 4 | 2 |
A:
Q:
The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is ₹ 18. Find the missing frequency f.
| Daily pocket allowance (in ₹) | 11-13 | 13-15 | 15-17 | 17-19 | 18-21 | 21-23 | 23-25 |
| Number of children | 7 | 6 | 9 | 13 | f | 5 | 4 |
A:
Q:
Consider the following distribution of daily wages of 50 workers of a factory.
| Daily wages (in ₹) | 500-120 | 520-140 | 540-160 | 560-180 | 580-200 |
| Number of workers | 12 | 14 | 8 | 6 | 10 |
A:
Q:
100 surnames were randomly picked up from a local telephone directory and the frequency distribution of the number of letters in the English alphabets in the surnames was obtained as follows:
| Number of letters | 1-4 | 4-7 | 7-10 | 10-13 | 13-16 | 16-19 |
| Number of surnames | 6 | 30 | 40 | 16 | 4 | 4 |
A:
Q:
The following frequency distribution gives the monthly consumption of electricity of 68 consumers of a locality. Find the median, mean and mode of the data and compare them.
| Monthly consumption (in units) | Number of consumers |
|
65 – 85 85– 105 105– 125 125–145 145–165 165–185 185–205 |
4 5 13 20 14 8 4 |
A:
Benefits of NCERT Solutions
NCERT Solutions for Class 10 contain immensely significant points and for every chapter, each concept is simplified so that it turns out to be easy to remember that expands the odds of scoring commendably in the board exams. NCERT Solutions for class 10 by Extramarks is the best reference material for test preparation. Given below are a couple of points about how these solutions help in exam preparation.
1. It helps students practice loads of questions from every chapter which encourages them to make their concepts more grounded..
2. NCERT Solutions for Class 10 encourages you to upgrade your knowledge and clear your concepts with the goal that you can score well in your exams.
3. These solutions are the best examination materials to know your weak and strong points. It is essential to work on your weak points to score well in the exams.
4. Most of the questions in exams are asked in a similar arrangement from NCERT textbooks. Hence, students should altogether revise every chapter’s solution to get a good command in subjects
1. It helps students practice loads of questions from every chapter which encourages them to make their concepts more grounded..
2. NCERT Solutions for Class 10 encourages you to upgrade your knowledge and clear your concepts with the goal that you can score well in your exams.
3. These solutions are the best examination materials to know your weak and strong points. It is essential to work on your weak points to score well in the exams.
4. Most of the questions in exams are asked in a similar arrangement from NCERT textbooks. Hence, students should altogether revise every chapter’s solution to get a good command in subjects
Tips & Strategies for Class 10 Exam Preparation
1. Make a timetable to complete your syllabus and make time for revision.
2. Refer to NCERT Solutions given on the Extramarks website to clear your concepts anytime while preparing for your exams.
3. Start studying with the help of Extramarks – The Learning App to pass your exams with flying colours. It provides complete study material with solved and unsolved papers.
4. It is important to clear all your doubts before the exam with your teachers or Alex (an AI studybot).
5. While reading or learning a chapter, make sure to make notes with algorithms, formulas, theorems, etc., and study them for a quick revision before exams.
6. Practice an ample number of question papers to make your concepts stronger.
7. Take rest and a proper meal. Don’t stress too much.
2. Refer to NCERT Solutions given on the Extramarks website to clear your concepts anytime while preparing for your exams.
3. Start studying with the help of Extramarks – The Learning App to pass your exams with flying colours. It provides complete study material with solved and unsolved papers.
4. It is important to clear all your doubts before the exam with your teachers or Alex (an AI studybot).
5. While reading or learning a chapter, make sure to make notes with algorithms, formulas, theorems, etc., and study them for a quick revision before exams.
6. Practice an ample number of question papers to make your concepts stronger.
7. Take rest and a proper meal. Don’t stress too much.
Why opt for Extramarks NCERT Solutions for Class 10 ?
Extramarks provide NCERT Solutions for all subjects at your fingertips. These solutions are designed by subject matter experts and provide solutions to every NCERT textbook questions. Extramarks especially focuses on making learning interactive, effective and for all classes. We provide free NCERT Solutions for class 10 and all other classes
How to use NCERT Solutions for scoring in class 10 Maths CBSE Board Exams?
NCERT 10 solutions for math are in-depth solutions written in very basic and simple language which makes them easy to understand. It gives sufficient study material to practice with to the students which the latter can use for practicing for board exams. Extramarks website has NCERT solutions for all classes that can be used by students of different classes. These solutions can be accessed by visiting the footer section of the website. Prepare notes and learn from NCERT solutions, go through them thoroughly before the exam, and practice with the questions that crop up in NCERT solutions.
Do you provide solutions for All subjects for class 10 CBSE?
Yes, Extramarks website has NCERT solutions for class 10 along with all other classes of CBSE listed on the footer section. These solutions have been prepared by top faculty members who have years of experience and expertise in teaching CBSE students.
Why are the NCERT solutions Important for Class 10?
Extramarks class 10 NCERT solutions are crucial for board preparation for students. These solutions are given in a simple language which makes it easy to understand for all and it proves to be the basis for board examination which further helps the students in understanding the extensive study material. Class 10 NCERT solutions focus on fundamental clarity of the concepts which further helping in clearing all doubts and helping students achieve concept clarity. NCERT solutions provide enough practice and study material to students that they can use to test their knowledge
Will NCERT solutions of Class 10th be good enough to prepare for the Class 10 Board exams?
Yes, class 10 solutions (NCERT) are sufficient to prepare for class 10 board exams. NCERT solutions are simple and easy to understand written in a way that is appealing to students. NCERT solutions form the basis of examination of class 10 board so they prove to be a sufficient solution which also gives enough study material to practice with to students. Different types of NCERT solutions help students prepare for the exam through varied formats and provide them concept clarity.
Do I need to use textbook solutions other than NCERT solutions for Class 10 exam prep
Class 10 CBSE NCERT solutions are sufficient to prepare for board exams but if you want to test your knowledge and would like to browse more solutions then you can use textbook solutions to prepare for the exam. Although the NCERT solutions are enough for preparing for the exam, you can check out the solved and unsolved sample papers along with textbook solutions from Extramarks - The Learning App and website
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