Simple Explanation
Population लगभग unchanged होने पर sudden density decline mathematically denominator area increase की ओर संकेत कर सकती है। इसलिए administrative boundary expansion, land-area revision या measurement definition change check करना logical first step है। पहला विकल्प सही है। Rainfall density calculation को directly नहीं बदलती और standard formula भी नहीं बदलता। Time-series interpretation में boundary consistency अत्यंत महत्वपूर्ण है। / With population nearly unchanged, a sudden density decline mathematically suggests an increase in the area denominator. Therefore, checking for administrative-boundary expansion, land-area revision, or a change in area definition is the logical first step. The first option is correct. Rainfall does not directly alter the calculation and the standard formula remains the same. Boundary consistency is critical in time-series interpretation.
