Class X - Maths - CBSE - NCERT Soln - Ch:12 Surface area and volume Ex:12.2 - Q.3) A gulab jamun, contains sugar syrup up to about 30% of its volume. Find approximately how much syrup would be found in 45 gulab jamuns, each shaped like a cylinder with two hemispherical ends with length 5 cm and diameter 2.8 cm (see Fig. 12.15).