The number of coins, 1.5 cm in diameter and 0.2 cm thick to be melted to form a right circular cylinder of height 10 cm and diameter 4.5 cm is
Answer: C
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A surahi is the combination of
Answer: A
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The radius (in cm) of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is
Answer: B
Edge of the cube = 4.2 cm
Diameter of base of largest possible cone = 4.2 cm 4 2
∴ Radius = 4.2/2 = 2.1 cm
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How many bags of grain can be stored in a cuboid granary 12 m × 6 m × 5 m. If each bag occupies a space of 0.48 m⊃3;?
Answer: A
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The curved surface area of glass having radii 3 cm and 4 cm respectively and slant height 10 cm is
Answer: C
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A cone has a circular base of radius 6m and volume 84π m⊃3;. height of cone is
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 total surface area is
Answer: D
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If volume of cylinder is 900cm⊃2; with height of 20cm then diameter of cylinder is
Answer: B
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2 cm thick 14 metal plates are kept exactly one above the other. On the top plate a hemisphere of diameter 6cm is kept. This just covers the top plate. What is the volume of the entire object?
Answer: D
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A solid with polygonal base and vertex is a
Answer: B
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