  Question

Look at another picture. It compares the population of the five most populous countries of the world. (i) Which is the most populous country in the world? (ii) Where does India stand in terms of population? (iii) What is the position of the USA? (iv) Roughly what percent of the world population is the combined population of India and China? (v) Roughly, how many times the population of USA is the population of India?

Solution

(i) It can be observed from the pie chart that the largest area is covered by China. Thus, China is the most populated country in the world. (ii) It can be observed from the pie chart that India occupies the second-largest area in the chart. Thus, India is second-most-populated country in the world. (iii) It can be observed from the pie chart that the USA occupies the fourth-largest area in the chart. Thus, the USA is fourth-highest-populated country in the world. (iv) It can be observed from the pie chart that area covered by India and China is approximately two-sixth of the total area of the chart. Required percentage = Thus, approximately 33.33% of the world population is the combined population of India and China. (v) It can be observed from the pie chart that the area covered by the USA is approximately one-third of the area covered by India. Thus, the population of the USA is roughly one-third of the population of India. MathematicsMathematics Part IIStandard VII

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