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Solve this: 6. A hemispherical bowl made of brass, 0.2cm thick. The inner radius of the 4%',. find the outer curved surface area of the bowl. Also find the cost Of carving its surface at the rate of Rs 2 per cm2. (Take 22/7) 7. A right circular cylinder just encloses a sphere. If the height of the cylinder is 210m, then find the surface area of cylinder (Take 22/7) 8. A hemispherical dome, open at base, Is made from a sheet of fibre, if of hemispherical dome is 40cm and 13/170 of fibre sheet actually used was wasted in making the dome, then find cost of the dome at the rate of Rs 35 per 100 crn*. (Take 9. A cuboidal water tank is 5.6 m long, 3.5 m wide and 4m deep. All these dimensions are of the Interior of the tank. Find in litres, the capacity of the tank. (Take capaOty 1000 lit of water) 10. A cuboidal water tank is filled by tap water at the rate of 1.2 litres per second. Find the length of an edge of the tank in centimetres if the tank is completely filled in 24 minutes. 11. A godown measures 30m x 20m x 8m. Find the maximum number of wooden each measuring 1.2m x 0.8m x 0.5m that can be stored in the godown. 12. A village has a population of 5400. 60 litres of water Is per person per day. The village has water tank measuring 48m x 27 m X 5m completely filled with water. For how many days the water of this is sufficient? 13. A river 3.5 m deep and 28m wide is flowing at the rate of 2.4 km per hour; How many itres Of water will flow into the sea in 10minutes? (1m) 1000 titre o sec

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