Answer :
Explanation:
To calculate the size of the pipeline required to supply water to the town under given conditions, we'll use the following steps:
1. **Calculate Daily Water Volume**:
Daily water supply needed = 325 liters/day
Total daily water supply for the town (population 5 Lac) = 325 liters/day/person × 5,00,000 persons
Total daily water supply for the town = 325 × 500000