1.	A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:
	A. 12 cm3 B. 15 cm3 C. 16 cm3 D. 20 cm3 View Answer Workspace Report Discuss in Forum

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2.	In a shower, 5 cm of rain falls. The volume of water that falls on 1.5 hectares of ground is:
	A. 75 cu. m B. 750 cu. m C. 7500 cu. m D. 75000 cu. m View Answer Workspace Report Discuss in Forum

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3.	A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:
	A. 720 B. 900 C. 1200 D. 1800 View Answer Workspace Report Discuss in Forum

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4.	66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
	A. 84 B. 90 C. 168 D. 336 View Answer Workspace Report Discuss in Forum

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5.	A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is:
	A. 3.6 kg B. 3.696 kg C. 36 kg D. 36.9 kg View Answer Workspace Report Discuss in Forum