Important Questions of Surface Areas and Volumes Mathematics | Zigya

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211. Volume of a cuboid of dimensions l, b, and h is
  • lb + bh + hl
  • (l + b)h
  • 2(lb + bh + hl)
  • 2(lb + bh + hl)
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212. Volume of a cube of side a is
  • a3
  • 6a2
  • 6a3
  • 6a3
80 Views

213.  Volume of a cylinder of base radius r and height h is
  • 2straight pirh 
  • straight pir2h
  • 2straight pir(h + r)
  • 2straight pir(h + r)
76 Views

214.

Volume of a cone of base radius r and height  h is

  • straight pir2h
  • 1 third πr squared straight h
  • 4 over 3 πr squared straight h
  • 4 over 3 πr squared straight h
86 Views

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215. Volume of a sphere of radius r is
  • 4m2
  • 3m2
  • 4 over 3 πr cubed
  • 4 over 3 πr cubed
90 Views

216. Volume of a hemisphere of radius r is
  • 2 over 3 πr cubed
  • 4 over 3 πr cubed
  • 4 πr squared
  • 4 πr squared
74 Views

217. The side of a cube is 1 cm. The total surface area of the figure formed by joining two such cubes is
  • 2(2 + 1 + 2) cm2
  • 2(2 + 2 + 2) cm2
  • 2(1 + 1 + 1) cm2
  • 2(1 + 1 + 1) cm2
90 Views

218. The dimensions of a box are 1 m, 80 cm and 50 cm. The area of its four walls is
  • 6000 cm2 
  •  12000 cm2
  • 18000 cm2
  • 18000 cm2
145 Views

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219. The area of the four walls of a room is 300 m2. Its length and height are 15 m and 6 m respectively. Find its breadth.
  • 10 m
  • 5 m
  • 20 m
  • 20 m
116 Views

220. A brick measures 25 cm x 12 cm x 10 cm. Its surface area is
  • 670 cm2
  • 1340 cm2
  • 3000 cm2
  • 3000 cm2
121 Views

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