Hamad Volumes 29/06/2020 A. 3:4 B. 4:3 C. 3:1 D. 1:3 4 πr2 : 3 πr2 => 4:3 Related Mcqs: The edges of three iron cubes are 6cm; 8cm; 10cm respectively. A new cube was made by melting them. Find the edge of the new cube?A. 8 cm B. 12 cm C. 14 cm D. 10 cm... The radius of a cylinder is 2 r units and height is 3 r units. Find the curved surface?A. 18 πr2 sq units B. 3 πr2 sq units C. 12 πr2 sq units D. 6 πr2 sq units... Three cubes of metal whose edges are 9, 12 and 15 cm respectively, are melted and one new cube is made. Find the edge of the new cube?A. 21 cm B. 19 cm C. 32 cm D. 18 cm... How many meters of carpet 50cm, wide will be required to cover the floor of a room 30m * 20m?A. 1000 B. 600 C. 2400 D. 1200... A rectangular field 30 m long and 20 m broad. How much deep it should be dug so that from the earth taken out, a platform can be formed which is 8 m long, 5.5 m broad and 1.5 m high where as the earth taken out is increase by 10/5?A. 12 cm B. 10 cm C. 18 cm D. 24 cm...
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