The below pie diagram shows population distribution of different professionals in a city.
Study the pie diagram and answer the question that follows.
If the total population of a city is 250000, then what will be the approximate number of engineers in the city?
The question involves determining the number of engineers in a city based on a pie chart distribution and the total population. We are given the total population as 250,000, and we need to find the approximate number of engineers.
Let's break it down step-by-step:
- First, refer to the pie chart provided (not visible here, but consider its percentage for engineers in your working). Assume that the pie chart indicates the percentage of engineers in the city's population.
- Let's assume the percentage of engineers is \(x\%\).
- To find the number of engineers, use the formula for population segment based on percentage: \(\text{Number of Engineers} = \frac{\text{Total Population} \times x}{100}\)
- For this problem, since the correct answer is given as 45,000, we calculate it as follows: \(\begin{align*} \text{Number of Engineers} & = \frac{250000 \times x}{100} \\ 45000 & = \frac{250000 \times x}{100} \end{align*}\)
- Solving for \(x\): \(\begin{align*} 45000 \times 100 & = 250000 \times x \\ x & = \frac{4500000}{250000} \\ x & = 18 \end{align*}\)
This suggests that engineers constitute 18% of the total population. Therefore, among the options given, 45000 aligns with this calculation.
Hence, the approximate number of engineers in the city is 45,000.
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