Number of girls enrolled in Stitching in Institute B forms approximately what per cent of the total number of girls enrolled in Stitching in the Institutes together?

Number of girls enrolled in Stitching in Institute B = 250
Total number of girls enrolled in Stitching in all the Institutions
= 325 + 250 + 50 + 250 + 325 = 1200
Hence, required percentage = 250/1200 x 100 = 20.83 ≈ 21%