# A gulab - jamun c

Given.

40% of sugar syrup in 1 gulab - jamun

Having length is 5 cm

And diameter is 2.8 cm

Formula used/Theory.

Volume of cylinder = πr2h

Volume of hemisphere = πr3

If gulab - jamun shape like cylinder between 2 hemisphere

Volume of gulab - jamun = volume of cylinder

+ 2 × Volume of hemisphere

Diameter of hemisphere = 2.8 cm

Radius of hemisphere = = 1.4 cm

Height of cylinder = length of gulab - jamun–2 × radius

= 5 cm–2 × 1.4

= 5 cm – 2.8 cm

= 2.2 cm

Volume of gulab - jamun = volume of cylinder

+ 2 × Volume of hemisphere

= πr2h + 2 × πr3

= πr2[h + r]

= × 1.4 × 1.4 × [2.2 + × 1.4]

= 22 × 0.2 × 1.4 × [2.2 + 1.86]

= 22 × 0.2 × 1.4 × [4.06]

= 25.0096 cm3

Volume of sugar syrup = × 25.0096 cm3

Volume of sugar syrup = 10.0038 cm3

Volume of sugar syrup in 50 gulab - jamun = 50 × 10.0038 cm3

= 500.192 cm3

1 cm3 = litres

500.192 cm3 = litres

= 0.500192 litres

= 0.5 litres (approx.)

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