The cost of construction of a wall 8 m l...

The cost of construction of a wall 8 m long, 4 m height and 20 cm thick at the rate of ̀₹ 25 per `m^3 ̀ is

160

320

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VGS PUBLICATION-BRILLIANT-SURFACE AREAS AND VOLUMES-EXERCISE

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Formula to find the slant height of a cone is
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If the surface area of a sphere is 154 cm ^(2) , find its radius
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