Haneef is processing sugarcane juice to make molasses, which is poured into moulds in the shape of a frustum of a cone having the diameters of the two circular faces as 30 cm and 35 cm and the vertical height of the mould is 14 cm. If each cm³ of molasses has a mass of about 1.2 g then the mass of the molasses that can be poured into each mould will be about

20 g

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15 kg

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30 kg

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14 kg

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Solution

The correct option is D
14 kg

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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 faces as 30 cm and 35 cm and the vertical height of the mould is 14 cm (see Fig.). If each $c m^{3}$ of molasses has a mass of about 1.2 g, find the mass of the molasses that can be poured into each mould( in kg). (Take $π$ = $\frac{22}{7}$ )

Q. Hanumappa and his wife Gangavva are busy making Jaggery out of sugar-cane. They have processed the sugar cane juice to make the molasses which is poured into moulds of the shape shown in the figure. It will be cooled to solidify in this shape to be sent to the market. Each mould is in the shape of a frustum of a cone having the diameters of its two circular ends as

30 c m

and

35 c m

and the height of the mould is

14 c m

. If each

{c m}^{3}

of molasses weighs about

1.2 g m

, find the weight of molasses that can be poured into each mould (Take

π = 22 / 7

)

A container in the shape of a frustum of a cone having diameters of its two circular faces as 35 cm and 30 cm and vertical height 14 cm, is completely filled with oil. If each $c m^{3}$ of oil has mass 1.2 g then find the cost of oil in the container if it costs Rs 40 per kg.

Q. Sugarcane juice is used to prepare molasses which on fermentation gives :

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The correct option is D 14 kg

The correct option is D
14 kg