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Difficulty: MediumTables and Data Grids

The table below presents the operational and processing metrics for four municipal water treatment plants in a coastal state for FY 2025–26:

Plant LocationTotal Raw Water Processed (Million Liters)Purified Water Output (%)Operational Cost per Million Liters (₹ Thousand)
Northern Zone45080%12
Southern Zone60085%10
Eastern Zone50078%15
Western Zone75092%14

Based on the table above, calculate the average volume of purified water output (in Million Liters) produced per plant across the four zones.

Answer: 487.5 Million Liters

Answer

The average volume of purified water output per plant is 487.5487.5 Million Liters.
The purified water volume outputs for Northern, Southern, Eastern, and Western zones are 360360, 510510, 390390, and 690690 Million Liters respectively. Summing these values gives a total output of 19501950 Million Liters. Dividing this total by the 44 plants gives an average purified water output of 487.5487.5 Million Liters per plant.

Step-by-Step Solution

1
Calculate the purified water volume for each of the four treatment plants
Northern Zone = 360360 Million Liters, Southern Zone = 510510 Million Liters, Eastern Zone = 390390 Million Liters, Western Zone = 690690 Million Liters
Purified water output volume is calculated by multiplying Total Raw Water Processed by the Purified Water Output percentage.
2
Sum the purified water volumes across all four zones
Total purified output = 19501950 Million Liters
The aggregate sum is required to compute the mean value across all plants.
3
Divide the total purified output by the number of plants (4)
Average purified output = 487.5487.5 Million Liters
Dividing the total sum by the count of entities yields the arithmetic average.

Key Concept

Tabular Data Extraction and Weighted Average Calculation
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Topics

Tables and Data Grids

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