Question:medium
The following table shows the total number of people who were stuck in traffic jam while going to their office on working days of a week due to construction of a flyover. Table also shows the ratio of male to female among them. Find the average number of females who were stuck in traffic on working days.
The following table shows the total number of people who were stuck in traffic jam while going to their office on working days of a week due to construction of a flyover. Table also shows the ratio of male to female among them. Find the average number of females who were stuck in traffic on working days.
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To calculate a part from a total given a ratio, divide the total by the sum of the ratio parts and then multiply by the part you need. For M:F ratio of a:b, Females = Total × (b / (a+b)).
Updated On: Feb 10, 2026
- 3120
- 3220
- 3320
- 3000
Show Solution
The Correct Option is A
Solution and Explanation
Step 1: Formula
\r\r\[\r\text{Females} = \frac{\text{Total} \times \text{Female ratio}}{\text{Male ratio + Female ratio}}\r\]\r
\r\rStep 2: Daily Calculation
\r- \r
- Monday: \( \tfrac{6000 \times 2}{5} = 2400 \) \r
- Tuesday: \( \tfrac{7000 \times 3}{10} = 2100 \) \r
- Wednesday: \( \tfrac{8000 \times 3}{8} = 3000 \) \r
- Thursday: \( \tfrac{7500 \times 1}{5} = 1500 \) \r
- Friday: \( \tfrac{9000 \times 2}{5} = 3600 \) \r
Step 3: Total and Average
\r\r\[\r\text{Total females} = 2400 + 2100 + 3000 + 1500 + 3600 = 12,600\r\] \r\[\r\text{Average females} = \frac{12,600}{5} = 2520\r\]\r
\r\rFinal Answer:
\r\r\[\r\boxed{2520}\r\]\r
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