Given: Radius (r) of cylindrical part = Radius (r) of hemispherical part = 22.8​=1.4 cmLength of each hemispherical part = Radius of hemispherical paart =1.4 cmLength (h) of cylindrical part =5−2× length of hemispherical part=5− 2×1.4=2.2 cmVolume of one gulab jamun = Volume of cylindrical part + 2  x Volume of hemispherical part=πr2h+2×32​πr3=πr2h+34​πr3=π×(1.4)2×2.2+34​π(1.4)3=722​×1.4×1.4×2.2+34​×722​×1.4×1.4×1.4=13.552+11.498=25.05 cm3So, Volume of 45 gulab jamuns =45×25.05=1,127.25cm3Volume of sugar syrup =30 of volume=10030​×1,127.25=338.17 cm 3≈338 cm3