(Sample Material) CSAT Online Coaching : Basic Numeracy "Volume and Surface Area of Solid Figures"

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Subject: Basic Numeracy

Topic: Volume and Surface Area of Solid Figures

1. The size of a wooden block is 5 × 10 × 20 cm. How many such blocks will be required to construct a solid wooden cube of minimum size?

(a) 6
(b) 12
(c) 12
(d) None of these

2. A brick measures 20 cm × 10 cm × 7.5 cm. How many bricks will be required for a wall 20 m × 2 m × 0.75 m.

(a) 10000
(b) 15000
(c) 18000
(d) 20000

3. Three cubes each of edge 3 cm long are placed together as shown in the adjoining figure. Find the surface area of the cuboid so formed

(a) 182 sq. cm
(b) 162 sq. cm
(c) 126 sq. cm
(d) None of these

4. The length of longest pole that can be placed n the floor of a room is 12 m and the length of longest pole that can be placed in the room is 15m. The height of the room is

(a) 3 m
(b) 6 m
(c) 9 m
(d) None of these

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