1. The volume of the structure built by Akshra , 2. If Akshra formed a cuboid using all that cubes, then the total surface area of cuboid is

Question

Akshra playing with building blocks, which are of the shape of cubes, has built a structure as shown in given figure. If the edge of each cube is 3 cm, then answer the following questions

1. The volume of the structure built by Akshra 

A) 305 cm³ 

B) 405 cm³ 

C) 505 cm³ 

D) 205 cm³

2. If Akshra formed a cuboid using all that cubes, then the total surface area of cuboid is 

A) 177 cm² 

B) 354 cm² 

C) 405 cm² 

D) 144 cm²

3. Minimum number of small cubes further more required to form a cube 

A) 12 

B) 36 

C) 48 

D) 8

4. If the ratio of volumes of two cubes is 8 : 27, then ratio of their total surface areas is 

A) 2 : 3 

B) 3 : 2

C) 3 : 1 

D) 4 : 9

Answer 1

1. B) 405 cm³

2. C) 405 cm²

3. D) 8

4. D) 4 : 9