The given chart represents the sales of different companies in the year 1999 and 1998. If the total sales in 1998 was 7890, which increased by 16.5% in 1999, then the total sales in the year 1999 is approximately _______.

9191
Calculation:
Total sales in 1999 = 7890 + 7890 × 16.5%
⇒ 7890 + 1301.85
⇒ 9191.85 ≈ 9191
∴ The required answer is 9191.
The given pie-diagram shows the expenditure incurred on the preparation of a book by a publisher, under various heads. Study the pie-diagram and answer the question that follows.
Various Expenditures (in percentage) incurred in Publishing a Book

The marked price of a book is 20% more than the CP. If the marked price of the book is ₹30, then what is the cost of paper used in a single copy of the book?
Study the given pie-charts and answer the question that follows.
The pie-charts show the characteristics of foreign tourists visiting India during a given year.

If in a given year, 2,50,000 tourists visited India and the age-wise distribution of data applies to all the countries, then the number of Russian tourists who visited India during the year and were in the age group above 50 years is:
A battery manufacturer manufactures five different types of batteries. The total revenue for the year 2020 is Rs.25,00,000, and 20,000 units were exported in 2020. The distribution of revenue and units for the five different types of batteries is shown in the charts.

Which type of battery provides the lowest revenue per unit?
What type of chart is used to compare parts of a whole in MS-Excel?
The average of two numbers is M. If one number is N, then the other number is: