The given chart illustrates the end-of-year market values of four shares from 2017-18 to 2022-23. Based on this information, answer the questions that follow.
The year in which the most substantial percentage increase in market value for any share is recorded is:
Show Hint
- 2019-20
- 2021-22
- 2020-21
- 2018-19
The Correct Option is D
Solution and Explanation
We need to find the year which saw the single largest percentage increase for any of the four companies compared to the previous year.
Step 2: Key Formula or Approach:
\[ \text{Percentage Increase} = \frac{\text{Current Year Value} - \text{Previous Year Value}}{\text{Previous Year Value}} \times 100% \] We will calculate this for all positive changes and identify the maximum.
Step 3: Detailed Explanation:
By visual inspection, the steepest upward slopes appear to be for Company A (2018-19 to 2019-20) and Company D (2017-18 to 2018-19). Let's calculate these and other major increases.
- Company A (2019-20): \( \frac{322.5 - 272.5}{272.5} \times 100% = \frac{50}{272.5} \times 100% \approx 18.3% \)
- Company C (2020-21): \( \frac{207.5 - 185.0}{185.0} \times 100% = \frac{22.5}{185.0} \times 100% \approx 12.2% \)
- Company D (2018-19): \( \frac{160.0 - 135.0}{135.0} \times 100% = \frac{25}{135.0} \times 100% \approx 18.5% \)
Comparing the calculated increases, the largest is approximately 18.5% for Company D. This increase was recorded in the year 2018-19.
Step 4: Final Answer:
The most substantial percentage increase is recorded in the year 2018-19.
Which company's share exhibits the most significant percentage increase in market value during any year throughout the entire period?
Show Hint
- Company C
- Company A
- Company B
- Company D
The Correct Option is D
Solution and Explanation
This question asks for the company that had the highest percentage increase in any single year.
Step 2: Key Formula or Approach:
This question is directly answered by the calculation performed for the previous question (Q.25). We need to identify the company corresponding to the highest percentage increase found.
Step 3: Detailed Explanation:
From the analysis in Q.25, we calculated the most significant percentage increases for each year:
- The largest percentage increase found was approximately 18.5%.
- This increase occurred for Company D between the years 2017-18 and 2018-19.
Step 4: Final Answer:
Company D exhibits the most significant percentage increase.
If an individual decides to sell 1 share of Company C and 1 share of Company D to buy 1 share of Company A at the end of a year, the potential maximum gain for the individual resulting from changes in share values is:
Show Hint
- 45
- 60
- 35
- 10
The Correct Option is B
Solution and Explanation
The question asks for the maximum immediate profit one could make by performing a specific transaction at the end of any of the given years. The transaction is: Sell 1 share of C, sell 1 share of D, and use the proceeds to buy 1 share of A. The "gain" here refers to the cash left over after the transaction.
Step 2: Key Formula or Approach:
\[ \text{Gain at year-end} = (\text{Value of Company C} + \text{Value of Company D}) - \text{Value of Company A} \] We will calculate this gain for the end of each year from 2017-18 to 2022-23 and find the maximum.
Step 3: Detailed Explanation:
- 2017-18: (185.0 + 135.0) - 285.0 = 320.0 - 285.0 = 35
- 2018-19: (172.5 + 160.0) - 272.5 = 332.5 - 272.5 = 60
- 2019-20: (185.0 + 160.0) - 322.5 = 345.0 - 322.5 = 22.5
- 2020-21: (207.5 + 137.5) - 297.5 = 345.0 - 297.5 = 47.5
- 2021-22: (185.0 + 145.0) - 285.0 = 330.0 - 285.0 = 45
- 2022-23: (172.5 + 147.5) - 310.0 = 320.0 - 310.0 = 10
Comparing the gains for each year, the maximum value is 60.
Step 4: Final Answer:
The potential maximum gain is 60.
The year in which the greatest absolute change in market value for any share occurs is:
Show Hint
- 2022-23
- 2019-20
- 2020-21
- 2021-22
The Correct Option is B
Solution and Explanation
We need to find the year (interval) in which the largest change in value, regardless of whether it's an increase or decrease, occurred for any single company.
Step 2: Key Formula or Approach:
Absolute Change = \( |\text{Current Year Value} - \text{Previous Year Value}| \) We will calculate this for all companies and all year intervals to find the maximum.
Step 3: Detailed Explanation:
Let's find the largest absolute change in each year interval:
- 2018-19: The largest change is for Company D: \( |160.0 - 135.0| = 25.0 \)
- 2019-20: The largest change is for Company A: \( |322.5 - 272.5| = 50.0 \)
- 2020-21: The largest change is for Company A: \( |297.5 - 322.5| = 25.0 \)
- 2021-22: The largest change is for Company C: \( |185.0 - 207.5| = 22.5 \)
- 2022-23: The largest change is for Company A: \( |310.0 - 285.0| = 25.0 \)
The greatest absolute change among all these is 50.0, which occurred for Company A in the year 2019-20.
Step 4: Final Answer:
The year with the greatest absolute change is 2019-20.
Top Questions on Line Graphs
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Questions Asked in SRCC GBO exam
Read the given passage and answer the questions.
For those of us without access to outside green space, houseplants are a stylish and affordable way of getting a nature fix. Alongside looking nice, indoor plants actually have several other perks- the biggest benefit of which could be improving your mental health. And the good news is you don’t need to be a self-professed” plant parent” to experience these benefits either. One in eight UK households don’t have access to any kind of garden. Young people and those from minority ethnic backgrounds are among those least likely to have a garden. Not having access to nature can have a number of effects on our health. It’s been linked to symptoms of depression and anxiety, as well as other health conditions, such as asthma, cardiovascular disease, and poor immune function. For many of us, houseplants are an essential link to nature. While there’s not yet a robust body of research on the mental health benefits of houseplants specifically, plenty of studies have shown how beneficial green space and gardening are for mental health. For instance, one study found that people who garden daily have better wellbeing and lower stress levels compared to those who don’t. Gardening also reduces symptoms of depression and anxiety and increases positive emotions to the same extent as biking, walking and eating out. Many of these outcomes are likely to be true of houseplants too. A recent review of 42 studies demonstrates that even just being in the presence of indoor plants can improve mental and physical health. These experiments compared participants doing various activities in rooms with or without plants. The presence of plants saw better performances on cognitive tasks involving focus, sorting or memory recall, greater pain tolerance when holding hands in ice cold water, and lower levels of physiological stress. Interestingly, the aesthetic appearance of plants is important too, with separate research showing that people tend to react more positively to lush, green plants with rounded and denser foliage. But most of these studies are centred around the mere presence of plants. From research on the benefits of gardening, we can assume that caring for houseplants will bring out many more emotional benefits- such as pride, social connection, satisfaction, fascination, mental resilience in times of stress, and may even help you heal from past trauma.... Plants can remove pollutants such as carbon dioxide, nitrogen dioxide (from nearby traffic), fine particles (from dust) and volatile organic compounds (from air fresheners, cooking and cleaning). For people indoors for the majority of the day, indoor air quality is hugely important. High concentrations of carbon dioxide can reduce cognitive performance (such as concentration and memory recall) while prolonged exposure to other indoor pollutants can cause long-term health problems- ranging from minor eye or throat irritations to respiratory problems and cancer. But removing a meaningful quantity of indoor pollutants would require a lot of plants in a very bright room- something unrealistic for most people. If you do want to give it a try, plants with a high leaf area- such as an India rubber tree (Ficus elastic) or devil’s ivy (Epipremnum aureum) are your best bet- SRCC GBO - 2026
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Study the following charts and answer the questions that follow. Chart 1 shows the percentage of revenue generated in four quarters of the year 2020 for a company
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