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Solved CBSE Sample Paper & , Marking Scheme, 10th & 12th: Download Free PDF

A survey was conducted by a group of students as a part of their environment awareness programme, in which they collected the cbse 10th standard maths solutions year data regarding the number of plants in 20 houses in a locality.

Find the mean number of dtandard per house. 01th method did you use for finding the mean, and why? We can calculate the mean as: Thus, mean number of plants per house is 8. Since, values of x i and f i are small We have used the direct method. Consider the following distribution of daily wages of 50 workers of a factory. Find the mean daily wages of solutins workers of the factory by using an appropriate method.

The following distribution shows the daily pocket allowance of children of a locality. The mean pocket allowance is Rs. 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 were selling mangoes kept in packing boxes.

These boxes contained carying number of mangoes. The following was the distribution mats mangoes according to the number Find the mean number of mangoes kept in a packing box. Which of finding the mean did you choose? The table below shows the daily expenditure on food of 25 households in a locality. Find the mean daily expenditure on cbse 10th standard maths solutions year by a suitable method.

To find out the concentration of SO 2 in the air in parts per million, i. A class teacher has the following absentee record of cbse 10th standard maths solutions year 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. Mqths, the mean literacy rate is Exercise The following table shows the ages of the patients admitted in a hospital during a year: Find the mode and the mean of the data given.

Compare and interpret the two measures of central tendency. Mode: Here, the highest frequency is The frequency 23 corresponds to the class interval 35 � The soolutions data gives the information on the soluyions lifetimes in hours of electrical components: Determine the modal lifetimes of the components. Thus, the required modal life times of the components is The following data gives the distribution of total monthly household expenditure of families of a village.

Find the modal monthly ependiture of the families. Also, the mean monthly expenditure: Sol. Mode: The maximum number of families 40 have their total monthly expenditure is in interval � Modal class is � 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. The given distribution shows the number of runs scored by some top batsmen of the world in one-day international cricket matches.

Find the mode of the data. The class � has the highest frequency i. Thus, the required mode is A student noted the number of cars passing through a spot on a road for periods each of 3 minutes and summarised it in the table given. Find the mode of the data: Sol. The class 40 � 50 has the maximum frequency i. 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. Mode Class � has the highest frequency. This is the modal class. If the median of the distribution given below is A life insurance agent found cbse 10th standard maths solutions year following data for distribution of ages of policy holders.

Calculate the median yyear, if policies are given only to persons having age 18 years onwards but less than 60 years. The given table is cumulative frequency distribution. We write the frequency distribution as given below: We have The cumulative frequency just greater than i. The median class is 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: Find the median length of the leaves.

The class then change to After changing the given table as continuous classes we prepare the cumulative frequency table: Now, The cumulative frequency just above i. So, The following table gives the distribution of the life time of neon lamps: Find the median life time of a lamp.

To compute the median, let us write the cumulative frequency distribution as given below: We have Since, the cumulative frequency just solutiosn than wtandard. Find the mean number of letters in the surnames? Also, find the modal size of the surnames. Median Since, the cumulative frequency just greater than i. The distribution below gives the weights of 30 students of a class.

Find the median weight of the students. The Cbse 10th Standard Maths Syllabus Co following distribution gives the daily income of 50 workers of a factory. Convert the distribution above to a less than cbse 10th standard maths solutions year cumulative frequency distribution, and draw its ogive. We have the cumulative frequency distribution stabdard Cbse 10th standard maths solutions year, we plot the points corresponding to the ordered pairs12, 26, 34, 40 and50 on a graph paper and join them by a free hand cbse 10th standard maths solutions year curve as shown below: The curve so obtained is called the less than ogive.

During the Cbse 10th Standard Maths Solutions 10 cbse 10th standard maths solutions year check-up of 35 students of a class, their wrights were recorded as follows: Draw a less than type ogive for the given data.

Hence obtain the median weight from the graph and verify the result by using the formula. Here, the values 38, 40, 42, 44, 46, 48, 50 and 52 are the upper limits of the respective class-intervals.

We plot the points ordered pairs 38, 040, 342, 544, 946, 1448, 2850, 32 and 52, 35 on a graph paper and join them by a free hand smooth curve. The curve so obtained is the less than Cbse 10th Standard Maths Textbook 2 Pdf type ogive. From the point i. From this point i.

The point Q represents the median of the data which is Verfication To verify the result using the formula, let us make the following table in order to find median using the formula: Here, Since, the observation lies in the class 46 � The following table gives production yield per hectare of wheat of farms of a village. Change the distribution to a more than type distribution, and draw its ogive. Toggle navigation. Thus, mean number of plants per house is 8.

Since, values of x i and f i are small. We have used the direct method. We have the following table:. Now, we have the following table:. Thus, soluions missing frequency is Thus, the mean heart beat per minute is The following was the distribution of mangoes according to the number. Find the mean number of mangoes kept in a packing box. Thus, the mean daily expenditure of food is Rs. Find the mean concentration of SO 2 in the air. Thus, mean concentration of SO 2 in air is 0.

Using the direct method, we have the following table:. The following table shows the ages of the patients admitted cbse 10th standard maths solutions year a hospital during a year:. Find the mode and the mean of the data given.

Here, the highest frequency yeear The modeal class is 35 �

There are some students who waste a lot of time blindly mugging up the question answers from Solved Papers. Practicing with previous year question paper is a must if you want to excel in Class 10 Board exams. Practise as many questions as you can solve from CBSE previous year question papers class 10 maths with solutions to understand the question pattern, complexity level and the importance or weightage of different chapters. Unit 6 � Mensuration. Revise all the questions you have solved - Make sure you revise all the solved answers before exams and not regret later. Download � Algebra Formulas for Class

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Partial of a goal includes structure models of a vessel as it is excavated. There have been the series of components which have up a dug-out. ft of residing space with serve space for storing in a "basement" compartments.

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