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What is Goal Seek scenario analysis? Class-10-Part:B-Unit:2-Ch:1:

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How to analyse data using Goal Seek and Solver?
CBSE SOLUTIONS-2025-26
CLASS-10
PART-B
UNIT-2 Electronic Spreadsheet (Advanced) Using LibreOffice Calc
CHAPTER-1 Analyse Data Using Scenarios and Golal Seek

Section A – Fill in the Blanks
1.The ______ feature in spreadsheet combines data from multiple ranges or sheets into a single summary report.
Answer: Consolidate
2.When using the Consolidate tool you can perform operations such as ______ and ______ on the combined data.
Answer: Sum and Average
3.Before applying the Subtotal feature you should ______ the data by the column you want to group by.
Answer: Sort
4.Solve option under Tools menu amounts to a more elaborate form of ______.
Answer: Goal Seek
5.______ feature arranges data in a group of cells in LibreOffice Calc with levels for columns or rows.
Answer: Outline

Section B – True or False
1.Solver can handle multiple variables and constraints, making it suitable for more complex scenarios.
Answer: True
2.By default formula cell field is empty and needs to be filled with the cell reference of the formula whose result you want to target.
Answer: True
3.Display border determines if changes made to the scenario will be copied back to the original cell.
Answer: False
4.Goal Seek is a feature that allows you to combine data from multiple ranges or sheets into a single summary report.
Answer: False
5.Subtotal is used to display your formula results according to column group level.
Answer: True


Section C – Multiple Choice Questions
1.What is the primary function of the Solver tool in spreadsheet?
(A) To calculate intermediate total for group data
(B) To find the optimal value for a formula by adjusting variables within constraints
(C) To analyse different sets of input values
(D) To reach specific values in a data set
Answer: (B) To find the optimal value for a formula by adjusting variables within constraints
2.Which of the following can be used as constraints in Solver?
(A) Maximum and minimum values for sales
(B) Specific text format
(C) Colour formatting of sales
(D) Cell alignment and font size
Answer: (A) Maximum and minimum values for sales
3.______ feature of LibreOffice Calc is used to test “what-if” questions.
(A) Scenario
(B) Goal Seek
(C) Solver
(D) All of these
Answer: (D) All of these
4.How do you access Scenario in most spreadsheet software?
(A) Data > Scenario
(B) Tools > Scenario
(C) View > Scenario
(D) Formulas > Scenario
Answer: (B) Tools > Scenario
5.What is the first step to applying Subtotal in a dataset?
(A) Create a Pivot Table
(B) Apply conditional formatting
(C) Sort the data by the grouping field
(D) Use the Goal Seek tool
Answer: (C) Sort the data by the grouping field
6.Which of the following functions is not typically available when using the Subtotal feature?
(A) Sum
(B) Average
(C) Median
(D) Count
Answer: (C) Median
7.Usually you run a formula to calculate a result based on existing values. By contrast, using ______ you can discover what values will produce the result you want.
(A) Subtotal
(B) Scenario
(C) Solver
(D) Goal Seek
Answer: (D) Goal Seek

Section D – Very Short Answer Questions
1.What is the primary use of the Solver tool in spreadsheet?
Answer: To find the optimal value of a formula by changing multiple variables within constraints.
2.In Solver, what is the target cell?
Answer: The cell containing the formula result that you want to optimize.
3.What does Goal Seek help you determine?
Answer: The input value needed to reach a specific result in a formula.
4.How do you name a Scenario when creating it?
Answer: By typing the scenario name in the “Name” field of the Scenario dialog box.
5.What is the difference between the changing cell and target cell in Solver?
Answer: Target cell is the formula to optimize, while changing cells are the input variables Solver adjusts.
6.When would you prefer to use Goal Seek instead of Solver?
Answer: When you only need to change one variable to achieve a desired result.


Section E – Short Answer Questions
1.What is the primary purpose of using the Consolidate tool in LibreOffice Calc?
Answer: To combine data from multiple ranges or sheets into a single summary report.
2.How does the “Link to source data” option affect consolidated data?
Answer: It keeps the consolidated results linked to original data, so changes in source data update automatically.
3.How can Scenarios help in financial planning or budgeting?
Answer: Scenarios allow you to test different assumptions (e.g., sales growth, expenses, profit) and compare outcomes.
4.What happens to the original data when you apply a Scenario?
Answer: The original data remains unchanged; only the displayed values update according to the selected scenario.
5.What happens if the Goal Seek tool cannot find a solution?
Answer: It shows an error message or indicates that no solution is possible.
6.How can Solver be used in financial modelling?
Answer: Solver can optimize profit, minimize cost, or allocate resources by adjusting multiple financial variables under given constraints.

Section F – Long Answer Questions
Q1. Describe the process and benefits of consolidating data in LibreOffice Calc. How does this feature enhance data analysis and what are some practical applications of data consolidation?
Answer:
Data consolidation in LibreOffice Calc is the process of combining data from multiple sheets, ranges, or files into a single summary sheet. This feature is useful when you need to analyze or compare data collected from different sources.
Process of Data Consolidation:
  1. Open the sheet where you want the consolidated data to appear.
  2. Go to Data → Consolidate.
  3. In the dialog box, select the function you want to apply (e.g., Sum, Average, Count, Max, Min).
  4. Add the ranges from the different sheets or files that you want to consolidate.
  5. Choose whether you want to link data to the source and include row/column labels.
  6. Click OK to generate the consolidated results.
Benefits of Data Consolidation:
  1. Saves time by automating the process of combining data from multiple sources.
  2. Reduces the chance of human error compared to manual calculations.
  3. Provides a single, organized summary for better interpretation.
  4. Makes it easier to perform advanced analysis on large datasets.
Enhancing Data Analysis:
  • Data consolidation allows users to see overall trends and patterns instead of analyzing each sheet separately. It makes comparisons, forecasting, and reporting much easier.
  • Practical Applications:
  • Consolidating monthly sales reports from different branches into one company-wide report.
  • Combining departmental budgets into a single financial plan.
  • Summarizing survey results collected from different regions.
  • Merging expense sheets of different projects for total cost analysis.
Q2. Explain how the Scenario in LibreOffice Calc can be used for financial planning. Provide a detailed example of how different scenarios might be used to analyze potential outcomes.
Answer:
The Scenario feature in LibreOffice Calc allows users to create and compare multiple sets of values (scenarios) within the same spreadsheet. This is useful for financial planning, budgeting, forecasting, and decision-making.
How it Works:
  • A scenario stores a group of input values that affect the result of a calculation.
  • Multiple scenarios can be created for the same data range.
  • Users can switch between scenarios to compare different outcomes.
Financial Planning Example:
  • Suppose a company is preparing a profit forecast for the next year. Profit depends on sales revenue and expenses.
  • Scenario 1 (Best Case): Sales = ₹20,00,000, Expenses = ₹12,00,000 → Profit = ₹8,00,000
  • Scenario 2 (Normal Case): Sales = ₹15,00,000, Expenses = ₹11,00,000 → Profit = ₹4,00,000
  • Scenario 3 (Worst Case): Sales = ₹10,00,000, Expenses = ₹10,50,000 → Profit = –₹50,000 (loss)
  • By creating these scenarios in Calc, the company can quickly compare possible financial outcomes and make informed decisions, such as adjusting expenses or setting realistic sales targets.
Benefits:
  1. Helps in risk assessment and financial forecasting.
  2. Allows decision-makers to plan strategies for different market conditions.
  3. Saves time in recalculating values manually.

Q3. Explain how the Goal Seek tool works in LibreOffice Calc. Provide an example of its application.
Answer:
The Goal Seek tool in LibreOffice Calc is used to find the input value required to achieve a specific output in a formula. Instead of manually guessing inputs, Goal Seek automates the process.
Steps:
  1. Go to Tools → Goal Seek.
  2. Select the cell containing the formula (target cell).
  3. Enter the desired result (target value).
  4. Select the input cell that should be changed.
  5. Click OK. Calc will calculate the required input value.
Example:
  • Suppose a company wants to achieve a profit of ₹5,00,000. Profit is calculated as:
  • Current Sales = ₹12,00,000
  • Expenses = ₹8,00,000
  • Current Profit = ₹4,00,000
  • Using Goal Seek, the company sets the target cell (Profit) to ₹5,00,000 and asks Calc to adjust the Sales cell. Calc finds that Sales must be ₹13,00,000 to achieve the desired profit.
Application:
  • Determining required sales to reach a profit target.
  • Calculating loan payments to match a budget.
  • Finding break-even points in business analysis.
Q4. Discuss the difference between Goal Seek and Solver in LibreOffice Calc. Under what circumstances would you use each tool?
Answer:
Goal Seek:
Works with one formula, one target value, and one input variable.
Simple and quick for basic problems.
Example: Finding the sales required to reach a target profit.
Solver:
Works with multiple variables and constraints at the same time.
More advanced than Goal Seek, can optimize (maximize or minimize) results.
Example: Allocating a budget across multiple departments while minimizing total expenses.
When to Use:
  • Use Goal Seek when you have a single-variable problem (e.g., "What sales figure gives a profit of ₹1,00,000?").
  • Use Solver when you have a complex, multi-variable problem with constraints (e.g., "How should we distribute resources to maximize profit while staying within budget and manpower limits?").
Q5. Discuss how the Solver tool in LibreOffice Calc can be used to optimize business decisions.
Answer:
The Solver tool in LibreOffice Calc is an advanced optimization feature that helps businesses make the best possible decisions when faced with multiple variables and constraints.
How Solver Works:
  1. Define the objective cell (the result to maximize, minimize, or set to a value).
  2. Define the decision variable cells (the values Solver can change).
  3. Set constraints (rules like budget limits, capacity limits, minimum/maximum values).
  4. Run Solver → It finds the optimal solution.
Business Applications:
Resource Allocation: A company can decide how to allocate raw materials among products to maximize profit.
Production Planning: Helps determine the number of units of different products to produce, considering labor and machine capacity.
Budget Optimization: Assists in distributing limited financial resources across different departments for maximum efficiency.
Supply Chain Management: Optimizes transportation costs by selecting the best routes and shipment sizes.
Workforce Scheduling: Assigns workers to shifts in a way that minimizes labor costs while meeting demand.
Example:
A company produces two products: Product A (profit ₹100/unit) and Product B (profit ₹150/unit).
Constraint: 1,000 hours of machine time available.
Product A requires 2 hours/unit, Product B requires 3 hours/unit.
Using Solver, the company can determine the optimal mix of A and B to maximize total profit without exceeding machine time.
Benefit:
Solver helps businesses move from guesswork to data-driven optimization, leading to higher efficiency, cost savings, and better decision-making.
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