Multiple choice Who among the following is the 13th President of India? Giani Zail Singh K.R. Venketraman Pratibha D. Patil None of these Reveal answer Fill a bubble to check yourself D Correct answer Explanation The 13th President of India was Pranab Mukherjee (2012-2017). Giani Zail Singh was 7th, K.R. Venkataraman was 8th, and Pratibha Patil was 12th. Since none of these options match, 'None of these' is correct.