Questions by Arun

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Read the frequency distribution table given below and answer the questions that follow: Class Interval Frequency 25-35 1 35-45 5 45-55 5 55-65 4 65-75 0 75-85 8 85-95 2 Total 25

asked Jan 18, 2022 in 8th-maths

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Read the frequency distribution table given below and answer the questions that follow: Class Interval Frequency 25-35 1 35-45 5 45-55 5 55-65 4 65-75 0 75-85 8 85-95 2 Total 25

asked Jan 18, 2022 in 8th-maths

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Application on problem solving strategy Given below is a pie chart depicting the reason given by people who had injured their lower back. Study the pie chart and find the number of people who injured their back while either bending and lifting. A total of 600 people were surveyed

asked Jan 18, 2022 in 8th-maths

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What is the central angle of the sector (in the above pie chart) representing hormones enzymes and other

asked Jan 18, 2022 in 8th-maths

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In the class interval 26 – 33, 33 is known as

asked Jan 18, 2022 in 8th-maths

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The range of the data 6, 8, 16, 22, 8, 20, 7, 25 is

asked Jan 18, 2022 in 8th-maths

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The number of people owning books less than 40 is

asked Jan 18, 2022 in 8th-maths

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In the class intervals 10 –20, 20 –30, etc., respectively, 20 lies in the class

asked Jan 18, 2022 in 8th-maths

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9 students got full marks. Marks (obtained out of 10) 4 5 7 8 9 10 Frequency 5 10 8 6 12 9

asked Jan 18, 2022 in 8th-maths

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The frequency of more than 8 marks is 21. Marks (obtained out of 10) 4 5 7 8 9 10 Frequency 5 10 8 6 12 9

asked Jan 18, 2022 in 8th-maths

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The probability of getting a prime number is the same as that of a composite number in a throw of a

asked Jan 18, 2022 in 8th-maths

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Given below is a frequency distribution table. Read it and answer the questions that follow: Class Interval Frequency 10 – 20 5 20 – 30 10 30 – 40 4 40 – 50 15 50 – 60 12

asked Jan 18, 2022 in 8th-maths

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Given below is a pie chart showing the time spend by a group of 350 children in different games. Observe it and answer the questions thatfollow. Which is greater — number of children who spend 2 hours or more per day or number of children who play for

asked Jan 18, 2022 in 8th-maths

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The pie chart on the right shows the result of a survey carried out to find the modes of travel used by the children to go to school. Study the pie chart and answer the questions that follow. How many children use taxi to travel to

asked Jan 18, 2022 in 8th-maths

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Classify the following statements under appropriate headings. Getting the sum of angles of a triangle as

asked Jan 18, 2022 in 8th-maths

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Classify the following statements under appropriate headings. Winning a racing competition by you. Certain to happen Impossible to happen May or may not happen

asked Jan 18, 2022 in 8th-maths

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Study the pie chart given below depicting the marks scored by a student in an examination out of 540. Find the marks obtained by him in each

asked Jan 18, 2022 in 8th-maths

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The weights (in kg) of 30 students of a class are: `39, 38, 36, 38, 40, 42, 43, 44, 33, 33, 31, 45, 46, 38, 37, 31, 30, 39, 41, 41, 46, 36, 35, 34, 39, 43, 32, 37, 29, 26`. Prepare a frequency distribution table using one class interval as `(30 – 35), 35` not included.

asked Jan 18, 2022 in 8th-maths

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The following pie chart depicts the expenditure of a state government under different heads. What fraction of the total expenditure is spent on both roads and public welfare

asked Jan 18, 2022 in 8th-maths

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In a hypothetical sample of 20 people, the amount of money (in thousands of rupees) with each was found to be as follows: `114, 108, 100, 98, 101, 109, 117, 119, 126, 131, 136, 143, 156, 169, 182, 195, 207, 219, 235, 118`. Draw a histogram of the frequency distribution, taking one of the class intervals as

asked Jan 18, 2022 in 8th-maths

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