Answer : 1. "झुंझुनू"
Explanation :

The highest male literacy was reported in Jhunjhunu at 87.88% followed by Kota (87.65%) and Jaipur (87.27%). Pratapgarh reported the lowest male literacy at 70.13%. Of the 33 districts, only 12 managed to register male literacy rate above the state average of 80.51%.