Girls have once again outperformed boys in the Central Board of Secondary Education (CBSE) Class 12 board exams, the results of which were declared Friday in the three zones of Delhi, Guwahati and Allahabad.

The pass percentage of girls was 85.94 percent, as compared to 77.40 percent for boys, the CBSE spokesperson said.

The overall pass percentage recorded a marginal 0.09 percent increase from last year. The pass percentage this year was 81 percent.

The results, which were uploaded in the board's website www.cbse.nic.in, were declared for the three zones at 10 a.m. In the Ajmer, Chennai and Panchkula regions, the CBSE results had been declared Wednesday.

The overall pass percentage was the highest in the Chennai region - 92.06 percent.

This year, 637,578 students - 264,248 female and 373,330 male - took the Class 12 board exams in the country and abroad.