(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Volume and Surface Area of Solid Figures

(Study Material) RRB NTPC (Tier -2) Exam (Numerical Aptitude) - Volume and Surface Area of Solid Figures

1. A rectangular tank has 2.6 cu m of water. If the area of the base of the tank is 6500 sq cm, then the depth of water (in metres) is

(a) 3.5
(b) 4
(c) 5
(d) 8

2. The area of the base of a rectangular tank is 6500 cm² and volume of water contained in it is 2.6 m3. The depth of water (in metres) in the tank is

(a) 2.5
(b) 3
(c) 4
(d) 5.5

3. A pyramid on a square base has four equilateral triangles on its four other faces, each edge being 10 m. Find its volume.

(a) 200 m³
(b) 230.7 m³
(c) 235.7 m³
(d) 253.7 m³

4. Find the slant surface of a pyramid 21 cm high, standing on a square base of 40 cm side.

(a) 2320 cm²
(b) 2230 cm²
(c) 2330 cm²
(d) 2220 cm²

5. A bucket of the shape of the frustum of a cone is of height 45 cm. If the radii of its edges are 28 cm and 7 cm then determine the capacity of the bucket

(a) 48510 cm³
(b) 48550 cm³
(c) 45800 cm³
(d) 45830 cm³

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