The following table shows the expenditure of a family from the year 2020 to 2022. What is the average amount of expenses on interest on loans in this period of time?Items Expenditure (in Rs.) Year 2020 Year 2021 Year 2022 Food 9800 76500 70000 Transportation 20000 22000 18000 Fees 100000 115000 120000 Interest on loans 86000 96000 100000
Rs. 94,000
The question asks for the average amount of expenses on interest on loans for the given family over the years 2020, 2021, and 2022. To find the average, we need to sum up the expenditure on interest on loans for each year and then divide by the number of years, which is 3.
First, let's identify the expenditure on 'Interest on loans' for each specific year from the provided table:
The formula for calculating the average is:
$\text{Average} = \frac{\text{Sum of all values}}{\text{Number of values}}$
In this case, the values are the expenditures on interest on loans for the three years.
Sum of expenditures = Expenditure in 2020 + Expenditure in 2021 + Expenditure in 2022
Sum of expenditures = Rs. 86,000 + Rs. 96,000 + Rs. 100,000
Sum of expenditures = Rs. 282,000
Now, we calculate the average by dividing the sum by the number of years (3):
Average expenditure on interest on loans = $\frac{\text{Sum of expenditures}}{\text{Number of years}}$
Average expenditure on interest on loans = $\frac{Rs. 282,000}{3}$
Average expenditure on interest on loans = Rs. 94,000
The average amount of expenses on interest on loans in this period (2020-2022) is Rs. 94,000.
Let's compare our calculated average with the given options:
Our calculated average, Rs. 94,000, matches Option 2.
| Step | Description | Calculation | Result |
|---|---|---|---|
| 1 | Identify relevant expenditures | Interest on loans for 2020, 2021, 2022 | Rs. 86,000, Rs. 96,000, Rs. 100,000 |
| 2 | Calculate the sum | Sum of expenditures | $86000 + 96000 + 100000 = 282000$ |
| 3 | Identify the number of years | Number of years | 3 |
| 4 | Calculate the average | Sum / Number of years | $\frac{282000}{3} = 94000$ |
The average is a measure of central tendency. It gives us a single value that represents a typical amount in a set of data. In this case, the average expenditure on interest on loans tells us the typical yearly spending on this item over the three-year period.
Expenditure refers to the amount of money spent. Analyzing expenditure helps individuals or families understand where their money is going, which is crucial for budgeting and financial planning.
Calculating averages from tables like this is a common way to simplify data and identify trends or typical values over time or across different categories.
The table shows District-wise data of a number of primary school teachers posted in schools of a city.
Study the table and answer the question:
District | Male teachers | Female teachers |
East | 1650 | 2375 |
North | 1075 | 2651 |
West | 1280 | 1520 |
South | 1170 | 1085 |
Central | 690 | 859 |
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Source | Amit | Suresh | Nitin | Varun |
Salary | 35000 | 38500 | 29000 | 42000 |
Arrears | 6000 | 6300 | 5000 | 7500 |
Bonus | 1000 | 1100 | 1000 | 1240 |
Overtime | 1800 | 1950 | 1400 | 1500 |
Study the table and answer the question:
Income (Rs.) | No. of persons |
Less than 200 | 12 |
Less than 250 | 26 |
Less than 300 | 34 |
Less than 350 | 40 |
Less than 400 | 50 |
The following table shows the annual profit of a company (in Rs. lakh).
2014-2015 | 2015-2016 | 2016-0217 | 2017-2018 | 2018-2019 |
625 | 690 | 725 | 775 | 815 |
The period which has the maximum percentage increase in profit over the previous year is:
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| States | Persons |
| S1 | 100 |
| S2 | 200 |
| S3 | 400 |
| S4 | 500 |
| S5 | 600 |
| S6 | 800 |
What is the ratio of number of person participating in a survey from state S3 to the number of person participating in a survey from state S4?