Given that 1 cu. cm of marble weighs 25 g, the weight of a marble block of 28 cm in width and 5 cm thick, is 112 kg. The length of the block is
Answer: C
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2 cylinders have their radii into ratio 4:7. If their heights are in the ration of 21:8 then their volumes would be in what ratio?
Answer: C
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A steel vessel has a base of length 60 cm and breadth 30 cm. Water is poured in the vessel. A cubical steel box having edge of 30 cm is immersed completely in the vessel. How much will the water rise?
Answer: C
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The surface area of a sphere is same as the curved surface area of a right circular cylinder whose height and diameter are 12cm each. The radius of the sphere is.
Answer: C
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A solid formed on revolving a right angled triangle about its height is
Answer: C
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When Jaya divided surface area of a sphere by the sphere’s volume, she got the answer as 1/18 cm. What is the radius of the sphere?
Answer: C
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Non-right pyramids are called
Answer: A
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If a rectangular tank is 21cm long, 13cm wide and 18cm high and contains water up to a height of 11cm then volume of water in liters is
Answer: C
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The volume of a sphere is 4851 cm⊃3;. Its diameter is
Answer: D
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Surface area of cone is
Answer: C
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