Question:
What is the average annual sales during the given period?
What is the average annual sales during the given period?
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To add the numbers quickly, group them:
$(40 + 60) + (50 + 90) + 75 = 100 + 140 + 75 = 240 + 75 = 315$.
Dividing 315 by 5 can be easily done by multiplying 315 by 2 and moving the decimal place:
$315 \times 2 = 630$, so $315 \div 5 = 63$.
$(40 + 60) + (50 + 90) + 75 = 100 + 140 + 75 = 240 + 75 = 315$.
Dividing 315 by 5 can be easily done by multiplying 315 by 2 and moving the decimal place:
$315 \times 2 = 630$, so $315 \div 5 = 63$.
Updated On: Jul 5, 2026
- 60 lakh
- 63 lakh
- 65 lakh
- 70 lakh
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Question:
This question asks for the arithmetic mean (average) of the annual sales of the company over the entire five-year period from 2021 to 2025.
To find the average, we must sum the sales for all individual years and divide that total by the number of years.
Step 2: Key Formula or Approach:
The formula for the average is given by:
\[ \text{Average} = \frac{\text{Sum of all observations}}{\text{Number of observations}} \]
In this case:
\[ \text{Average Sales} = \frac{\text{Total Sales from 2021 to 2025}}{\text{Total number of years } (5)} \]
Step 3: Detailed Explanation:
$\bullet$ Let us list the sales values for all the five years given in the table:
$\bullet$ Sales in 2021 = 40 lakh rupees.
$\bullet$ Sales in 2022 = 50 lakh rupees.
$\bullet$ Sales in 2023 = 60 lakh rupees.
$\bullet$ Sales in 2024 = 75 lakh rupees.
$\bullet$ Sales in 2025 = 90 lakh rupees.
$\bullet$ Now, let us calculate the sum of these sales:
\[ \text{Sum} = 40 + 50 + 60 + 75 + 90 \]
\[ \text{Sum} = 315 \text{ lakh rupees} \]
$\bullet$ The total number of years in the given period is 5.
$\bullet$ Now, calculate the average annual sales:
\[ \text{Average Sales} = \frac{315}{5} \]
\[ \text{Average Sales} = 63 \text{ lakh rupees} \]
Step 4: Final Answer:
The average annual sales during the given period is 63 lakh rupees.
Therefore, the correct option is (B).
This question asks for the arithmetic mean (average) of the annual sales of the company over the entire five-year period from 2021 to 2025.
To find the average, we must sum the sales for all individual years and divide that total by the number of years.
Step 2: Key Formula or Approach:
The formula for the average is given by:
\[ \text{Average} = \frac{\text{Sum of all observations}}{\text{Number of observations}} \]
In this case:
\[ \text{Average Sales} = \frac{\text{Total Sales from 2021 to 2025}}{\text{Total number of years } (5)} \]
Step 3: Detailed Explanation:
$\bullet$ Let us list the sales values for all the five years given in the table:
$\bullet$ Sales in 2021 = 40 lakh rupees.
$\bullet$ Sales in 2022 = 50 lakh rupees.
$\bullet$ Sales in 2023 = 60 lakh rupees.
$\bullet$ Sales in 2024 = 75 lakh rupees.
$\bullet$ Sales in 2025 = 90 lakh rupees.
$\bullet$ Now, let us calculate the sum of these sales:
\[ \text{Sum} = 40 + 50 + 60 + 75 + 90 \]
\[ \text{Sum} = 315 \text{ lakh rupees} \]
$\bullet$ The total number of years in the given period is 5.
$\bullet$ Now, calculate the average annual sales:
\[ \text{Average Sales} = \frac{315}{5} \]
\[ \text{Average Sales} = 63 \text{ lakh rupees} \]
Step 4: Final Answer:
The average annual sales during the given period is 63 lakh rupees.
Therefore, the correct option is (B).
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