Line Graph Bar Graph Pie Chart Word Problems || Basic Mathematics

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0:00 The bar graph illustrates the results of a survey conducted on cars at a traffic junction. (i) Find the total number of cars in the survey.
(ii) Find the total number of people in all the cars.
(iii) Express the number of cars with 4 or more people as a percentage of the total number of cars surveyed.
(iv) If the information is illustrated on a pie chart, find the angle of each sector.

10:32 The line graph shows the mass of a baby from birth to 6 months.
(i) Using data from the line graph, construct a table showing the mass of the baby from birth to 6 months.
(ii) Find the percentage increase in the mass of the baby from the 4th to 6th month.

15:32 The pie chart shows the distribution of students and teachers in a school.
(a) If there are five times as many female students as teachers in the school, find the angle of the sector that represents the number of teachers in the school.
(b) If there are 45 teachers in the school,
(i) find the number of female students in the school,
(ii) find the number of male students in the school.
(c) If 2/3 of the teachers are women, express the number of females in the school as a percentage of the total school population.

25:07 A factory produces three products, A, B and C, In the ratio I : x : 5. When this information is Illustrated on a pie chart, the angle of the sector that represents the quantity of C produced is 120% Find the value of x.

27:30 The line graph shows the number of people in a town in each year from 2002 to 2012. Town Population
i) Between which two years did the town have the greatest increase in the number of people? ii) Using data from the line graph, construct a table showing the number of people in the town over the 11 years.
(iii) Find the percentage increase in the number of people in the town from 2009 to 2012.
(iv) Suggest a reason for the sudden increase in the number of people in 2012.

34:49 The table shows the temperature of a patient taken every 3 hours.
(i) Use a line graph to illustrate the above data.
(ii) From the line graph which you have drawn in (i) estimate the temperature of the patient at 1700 hours and 0100 hours respectively.

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