The average of two numbers is M. If one number is N, then the other number is:
2M - N
The average of two numbers is given by: \[ \frac{(N + X)}{2} = M \] Multiplying both sides by 2: \[ N + X = 2M \] Solving for X: \[ X = 2M - N \] Thus, the correct answer is \(2M - N\).
Important Questions from Pie Chart
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?
Study the following pie-chart and answer the question that follows:
The following pie-chart shows the breakup of the percentage sale of motorcycles by different companies in India in the year 2021.
If the total motorcycles sold in India in the year 2021 was 25,00,000, then what was the number of motorcycles sold by GTM in India in the year 2021?
