Which district in Uttar Pradesh had the highest literacy rate according to the 2011 census?

Correct option is A

The correct answer is (a) Gautam Buddha Nagar 
Explanation: . According to the Census 2011 data for Uttar Pradesh, Gautam Buddha Nagar district recorded the highest literacy rate among all districts. [1] . The literacy rate for Gautam Buddha Nagar was approximately 80.12%. . This high rate is often attributed to the urban nature of the district, which includes areas like Noida and Greater Noida, with better access to educational infrastructure and a concentration of professionals. 
Information Booster: . Uttar Pradesh's overall literacy rate according to the 2011 census was 67.68% (77.28% for males and 57.18% for females). . Shrawasti district had the lowest literacy rate in Uttar Pradesh, at 46.74%. . The 2011 Census provides essential demographic data used for planning and policy formulation by the government. 
Additional Knowledge: Kanpur Nagar (Option b) . Kanpur Nagar had a high literacy rate, but it was slightly lower than Gautam Buddha Nagar. Its literacy rate was around 79.65%.
Ghaziabad (Option c) . Ghaziabad district also had a high literacy rate, approximately 78.07%, ranking close to the top but behind Gautam Buddha Nagar.
Lucknow (Option d) . Lucknow, the capital city of Uttar Pradesh, had a literacy rate of approximately 77.29% as per the 2011 census data.