Q. 344.5( 6 Votes )

A container open

Answer :

Given height, h = 24 cm

Upper radius, R = 20 m

Lower radius, r = 8 cm

We know that volume of a frustum of a cone = 1/3 πh (R2 + r2 + Rr)

Volume of the container

We know that 1000cm3 = 1 L


Rate per litre = ₹21

Cost of the milk in the container

= 329.472

Cost of the milk = ₹329. 47

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