 Hi and welcome to our session. Let us discuss the following question. The question says, a bucket made up of a metal sheet is in the form of a frustrum of a coat. Its depth is 24 cm and the diameter of the top and bottom are 30 cm and 10 cm respectively. Find the cost of milk which can completely fill the bucket at the rate of Rs 20 per litre and the cost of metal sheet used if it costs Rs 10 per 100 cm square. As the shape of a frustrum of coat, cm can completely fill the rupees 20 per litre and the cost of the metal sheet used if it costs Rs 10 per litre into litres because we know that 1000 cm cube is equal to 816. Completely fill the bucket at the rate of Rs 20. The question we are given is the litre square metal sheet 11.3 into 10 divided by 100 and this is equal to 0.13. 20 per litre cm square 0.13. This is how it requires