SET — 01
( Take π=22/7 )
Q1. Two cubes each of 8cm edge are joined end-to-end. Find the surface area of the resulting cuboid.
Q2. From a solid cube of side 7cm, a conical cavity of height 7cm and radius 3cm is hollowed out. Find the volume of the remaining solid.
OR
write all the formulae related to given figures:
Q3.If the surface area of sphere is 528cm², find its Radius.
Q4. Volume of cylinder is 2178cm³ if volume of cone and cylinder are equal. find radius of cone.(height of cone = 77cm)
Q5. Find the volume of cone if radius of cone and height are respectively 3cm and 4cm.
Q6. A cone of height 24cm and radius of base 6cm is made up of modelling clay. A child reshapes it in the form of a sphere. find the radius of sphere.
Q7. If side of a cube is 8cm. find its lateral surface area.
Q8. A metallic sphere of radius 4.2cm is melted and recast into the shape of a cylinder of radius 6cm. find the height of the cylinder.
Q9. If the total surface area of solid hemisphere is 462cm², find its volume. (Take Ï€ = 22/7)
Q10. if 6cm x 3cm x 11cm are the dimensions of cuboid. find volume of cuboid.
Q11. The volume of a hemisphere is 4851/2 cm³. Find the curved surface area.
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