Question

Hanumappa and his wife Gangamma are busy making jaggery out of sugarcane juice. They have processed the sugarcane juice to make the molasses, which is poured into moulds in the shape of a frustum of a cone having the diameters of its two circular

Answer 1

Mass=Volume *density
=`1/3pih(r_1^2+r_2^2+r_1r_2) *1.2`
=`1/3*22/7*14(15^2+(35/2)^2*(35/2)15)*1.2`
=13970 g