SSC Government Jobs Exams Numerical Ability Area and Volume

If the length of a rectangular parallelepiped is 3 times of its breadth and 5 times of its height and its volume is 144400 cu.cm, then area of the total surface will be

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The perimeter of the triangular base of a right prism is 60 cm and the sides of the base are in the ratio 5 : 12 : 13. Then its volume will be (height of the prism being 50 cm) The capacities of two hemispherical bows are 6.4 litres and 21.6 litres respectively. Then the ratio of their internal curved surface areas will be