Let ‘R’ be the ratio of Foreign Exchange Earnings from Tourism in India (in US $ million) to Foreign Tourist Arrivals in India (in million). Assume that R increases linearly over the years. If we draw a pie chart of R for all the years, the angle subtended by the biggest sector in the pie chart would be approximately:
Explanation:
The value of R for each year is as shown below:
When a pie-chart is made using the values of R, the value for 2011 forms the largest sector. Also, the total value of R is 26415.49.
Observe that the value of R in 2011 is approximately 10% of the total. So, the angle that it subtends at the centre is 10% of 360 i.e. 36 degrees.
Hence, option (c).
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