A short passage explains how a Bengaluru engineer designed a low-cost water filter for villages, citing the materials, the cost, and one rural pilot test. Which distractor is most likely to be wrong because it lifts a single detail and presents it as the main idea?
AThe filter costs less than ₹500 per unit, making rural use practical
BThe engineer designed a water filter aimed at rural villages
CThe pilot tested the filter in only one village setting
DThe materials chosen for the filter were locally available
Answer & Solution
Correct answer: A. The filter costs less than ₹500 per unit, making rural use practical
Option A overemphasises the cost detail and ignores the design intent and pilot. The correct main idea (not asked here, but the contrast) would be option B. The question targets recognising a 'detail-lift' distractor; A is the strongest such trap.
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