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A gulab jamun, contains sugar syrup about 30% of its volume.

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A gulab jamun, contains sugar syrup 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 figure).

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We have,
Radius of cylindrical portion and hemispherical portion of a gulab jamun.

=2.8/2=1.4 cm

Length of cylindrical portion = 5 – 1.4 – 1.4 = 2.2 cm
Volume of one gulab jamun
= Volume of the cylindrical portion + Volume of the hemispherical ends

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