All questions and answers from the Rs Aggarwal Book of Clasw 7 Math Chapter 21 are provided here for you for free. A die was thrown 20 times and the following outcomes were recorded: 5, 2, 1, 3, 4, 4, 5, 6, 2, 2, 4, 5, 5, 6, 2, 2,4, 5, 5, 1.

Arrange the above data in ascending order and prepare the frequency table. Data in the ascending order: 1, 1, 2, 2, 2, 2, 2, 3, Ch 7 Maths Class 10 Pdf 2019 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6.

The daily wages in Rs of 15 workers in a factory are given. Daily wages in the ascending order:,clase,,, Frequency table:. Write the data given below in ascending order and prepare the frequency table. ,aths in ascending order: 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 10, 10 Frequency table:. Fill in the blanks: i Data Ch 7 Maths Class 10 Pdf 2019 means information in the form of First five natural numbers are 1, 2, 3, 4 and 5.

First six odd Ch 7 Maths Class 10 Pdf 2019 natural numbers are 1, 3, 5, 7, 9 and First seven even natural numbers are 2, 4, 6, 8, 10, 12 and First five prime numbers are 2, 3, 5, 7 and First six multiples of 5 are 5, 10, Ch 7 Maths Class 10 Pdf 2019 15, 20, 25 and The following table shows the weights in kg of 15 workers in a factory: Weight in kg Ch 7 Maths Class 10 Pdf 2019 60 63 66 72 75 Number of workers 4 5 3 1 2 Calculate the mean weight. The daily wages Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 in rupees of 60 workers in a factory are given below: Daily wages in Rs Number of workers 14 16 15 7 8 Find the mean daily wages.

Ch 7 maths class 10 pdf 2019 heights in cm of 90 Ch 7 Maths Class 10 Pdf 2019 plants in ch 7 maths class 10 pdf 2019 garden are given below: Height in cm 58 60 62 64 66 74 Number of plants 20 25 15 8 12 10 Find the mean height.

The ages in years of Ch 7 Maths Class 10 Pdf 2019 50 players of a school are given below: Age in years 14 15 16 17 18 Number of players 15 14 Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 10 8 3 Find the mean age. The heights in cm of 40 boys were measured and ch 7 maths class 10 pdf 2019 and under: Height in cm Number of boys 9 8 11 12 Find the mean height.Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019

Find the median of: i 3, 11, 7, 2, 5, 9, 9, 2, 10 ii 9,25, 18, 15, 6, Ch 7 Maths Class 10 Pdf 2019 16, 8, 22, 21 iii 21, 15, Ch 2 Maths Class 10 Book Pdf Kit 6, 25, 18, 13, 20, ch 7 maths class 10 pdf 2019, Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 16, 8, We have to find the median of the following data.

Find the median of: i 10, 32, 17, Byjus Class 6 Maths Pdf Importance Ch 7 Maths Class 10 Pdf 2019 19, 21, 22, 9, 35 ii 55, 60, 35, 51, 29, 63, 72, 91, 85, First 15 odd numbers are 1, Ch 7 Maths Class 10 Pdf 2019 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27 and First 10 even numbers are 2, 4, 6, 8, 10, 12, 14, 16, 18 and First 50 whole numbers are 0, 1, 2, 3, The marks Ch 7 Maths Class 10 Pdf 2019 of 15 students out of 50 in an examination are 20, 22, 26, 31, 40, 19, 17, 19, 25, 29, Ch 7 Maths Class 10 Pdf 2019 23, 17, 24, 21, 35 Find the median marks.

The ages in years of 10 teachers in a school are 34, 37, 53, 46, 52, 43, 31, 36, 40, Find the median age. Find the median weight for the following data: Weight in kg 45 46 48 50 52 54 55 Number of boys 8 5 6 9 7 4 2.Ch 7 Maths Class 10 Pdf 2019

Calculate the median for the following data: Marks 17 20 22 15 30 25 Number of students 5 9 4 Ch 7 Maths Class 10 Pdf 2019 3 10 6. The heights in cm of 50 students of a class are given below: Height in cm Number of students 8 4 10 6 7 3 12 Find the median height. Find the mode of the data: i Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 10, 8, 4, 7, 8, 11, 15, 8, 6, ch 7 maths class 10 pdf 2019 ii 27, 23, 39, 18, 27, 21, 27, 27, 40, 36, We have to find the mode of the given data.

Mode - It Ch 7 Maths Class 10 Pdf 2019 is that value of the pdc that occurs most frequently. Hence, the mode of the data is 8. Hence, the mode of the data is The ages in years of 11 cricket players are given below: 28, 34, 32, 41, 36, Ch 7 Maths Class 10 Pdf 2019 32, 32, 38, 32, 40, Find the mode of the ages. Following are the ages in years of 11 cricket Ch 7 Maths Class 10 Pdf 2019 7 Class Maths 2019 Pdf 10 Ch players: 28, 34, 32, 41, 36, 32, 32, 38, 32, 40, 31 Mode is the value of the variable that Ch 7 Maths Class 10 Pdf 2019 occurs most frequently. Here, 32 occurs maximum number of times.

Hence, 32 is the mode of the ages. Daily wages of 45 workers in a factory are given below: Daily wages in Rs Number of pdg 6 8 9 12 10 Find the median and the mean. Using empirical formula, calculate its mode. HereN is 45which is odd. The following table shows the marks obtained by 41 students of a class. Marks obtained 15 17 20 22 25 30 Number of students 2 5 10 12 8 4 Find the median and mean marks. Number of terms N i s 41which is odd. The following table shows the weight of 12 players: Weight in kg 48 50 52 54 20119 Number of players 4 3 2 2 1 Find the median and mean weights.

We will prepare the table given below: Number of terms N is 12which is an even number. Answer: i Data: Information in the form of numerical figures Ch 7 Maths Class 10 Pdf 2019 is known as data. Question 2: A die was thrown 20 times and the following outcomes were ch 7 maths class 10 pdf 2019 5, 2, 1, 3, 4, 4, 5, 6, 2, 2, 4, 5, 5, 6, 2, 2,4, 5, 5, 1.

Answer: Data in the ascending order: 1, 1, 2, 2, 2, 2, 2, 3, 4, 4, 4, Ch 7 Maths Class 10 Pdf 2019 mafhs, 5, 5, 5, 5, 5, 5, 6, 6. Question 3: The daily wages in Rs of 15 workers in Ch 7 Maths Class 10 Pdf 2019 a factory are given. Answer: Daily wages in the ascending order:,,,, Frequency table:.

Question 4: Write the data given below Ch 7 Maths Class 10 Pdf 2019 in ascending order and prepare the frequency table. Answer: Data in ascending order: 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 10, 10 Frequency table:. Question 5: Fill in the blanks: i Data means information in the form of Answer: i numerical ii original iii array iv frequency v tabulation.

Question 6: Find the mean of first five natural numbers. Answer: First five natural numbers are 1, 2, 3, pdff and 5. Question Ch 7 Maths Class 10 Pdf Qos 7: Find the mean of first six odd natural numbers. Answer: First six odd natural numbers are 1, 3, 5, 7, 9 and Ch 7 maths class 10 pdf 2019 8: Find the mean of first seven even natural numbers.

Answer: First seven even natural numbers are 2, 4, 6, 8, 10, 12 and Question 9: Find Ch 7 Maths Class 10 Pdf 2019 the mean of first five prime numbers. Answer: Pfd five prime numbers are 2, 3, 5, 7 and Question Find Ch 7 Maths Class 10 Pdf 2019 the mean of first six multiples of 5. Answer: First ch 7 maths class 10 pdf 2019 multiples of 5 are 5, 10, 15, 20, 25 and Question The following table shows the weights in kg of 15 workers in Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 a factory: Weight in kg 60 63 66 72 75 Number of workers 4 5 3 1 2.

Question The Ch 7 Maths Class 10 Pdf 2019 daily wages in rupees of 60 workers in a factory are given below: Daily wages in Rs Number of workers Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 14 16 15 7 8. Question The heights in cm of 90 plants in a garden are given below: Height in Ch 7 Maths Class 10 Pdf 2019 cm 58 60 62 64 66 74 Number pxf plants 20 25 15 8 12 Question The ages in years Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 of 50 players of a school are given below: Age in years 14 15 16 17 18 Number of players Ch 7 Maths Class 10 Pdf 2019 15 14 10 8 3.

Question The heights in cm of 40 boys were ch 7 maths class 10 pdf Ch 7 Maths Class 10 Pdf 2019 2019 and recorded and under: Height in cm Number of boys 9 8 11 Question 1: Find the median of: Ch 7 Maths Class 10 Pdf 2019 i 3, 11, 7, 2, 5, 9, 9, 2, 10 ii 9,25, 18, 15, 6, 16, 8, 22, 21 Ch 7 Maths Class 10 Pdf 2019 iii 21, 15, 6, 25, 18, 13, 20, 9, 16, 8, Answer: We have to find the median of the following data. Question 2: Find the median of: ch 7 maths class 10 pdf 2019 10, 32, 17, 19, 21, 22, 9, 35 ii 55, 60, 35, 51, 29, 63, 72, 20019, 85, Question 3: Find the median of first 15 odd numbers.

Answer: First 15 odd numbers are 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, Ch 7 Maths Class 10 Pdf 2019 Ch 7 Maths Class 10 Pdf 2019 25, 27 and Question 4: Find the median of first 10 even numbers. Answer: First 10 even numbers are 2, Ch 7 Maths Class 10 Pdf 2019 4, 6, 8, 10, 12, 14, 16, 18 and Question mxths Find the median of first 50 whole numbers. Answer: First 50 whole numbers are matths, 1, 2, 3, Question 6: The marks of 15 students out of 50 in an examination are 20, 22, 26, 31, 40, 19, 17, 19, 25, 29, 23, 17, 24, 21, 35 Find the median marks.

Question 7: The ages in years of 10 teachers in a school are 34, 37, 53, 46, 52, 43, Ch 7 Maths Class 10 Pdf 2019 31, 36, 40, Question 8: Find the median weight for the following data: Weight in kg 45 46 48 50 52 54 55 Number of boys 8 5 6 9 7 4 2.

Ppdf 9: Calculate the median for the Ch 7 Maths Class 10 Pdf 2019 following data: Marks 17 20 22 15 30 25 Number of students 5 9 4 3 10 6. Question The 10 Class Maths 7 2019 Pdf Ch heights in cm of 50 students of a class are given below: Height in cm Number ch 7 maths class 10 pdf 2019 students 8 4 10 6 7 3 Question 1: Find the mode of the data: i 10, 8, 4, 7, 8, 11, 15, 8, 6, ch 7 maths class 10 pdf 2019 ii 27, 23, 39, 18, 27, 21, 27, 27, 40, 36, Answer: We have to find the mode Class 10 Maths Ch 5 Book Pdf of the given data.

Question 2: The ch 7 maths class 10 pdf 2019 in years of 11 cricket players are given below: 28, 34, 32, 41, 36, 32, 32, 38, 32, 40, 20199 Answer: Following are the ages in years of 11 cricket players: 28, 34, 32, 41, 36, 32, 32, 38, 32, 40, 31 Mathd is the value of the variable that occurs most frequently. Question 3: Daily wages of 45 workers in a factory are given below: Daily wages in Rs Number xlass workers 6 8 9 12 Answer: HereN is 45which is odd.

Question 4: The ch 7 maths class 10 pdf 2019 table shows the marks obtained by 41 students of a class. Marks obtained 15 17 20 22 25 30 Number of students 2 5 10 12 8 4. Answer: Number of terms N i s 41which is clasz.

Question 5: The following table shows the weight of 12 players: Weight in kg 48 50 52 54 58 Number clzss players 4 3 Ch 7 Maths Class 10 Pdf 2019 2 2 1. Answer: We will prepare the table given below: Number of terms N is 12which is an even number.Ch 7 Maths Class 10 Pdf 2019

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