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Q1. If the perimeter of one of the faces of cube is 40, then its volume is 


(a) 1600 cm3


(b) 1000 cm3


(c) 600 cm3


(d) 6000 cm3


Q2. A cuboid having surface areas of three adjacent faces as x, y and z has the volume 


Q3. The lengt of the longest rod that can be put in a hall 23 m `xx` 10 m  `xx` 10 m is 


Q4. The radius and height of a right circular cylinder are 10.5 cm and 8 cm respectively. Its volume is 


Q5. A well of diameter 8 m has been dug to the depth of 21 m. The volume of eart dub out is 


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